1990 …2021
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Research Output 1990 2019

58 Citations (Scopus)

Absence of the 7-repeat variant of the DRD4 VNTR is associated with drifting sustained attention in children with ADHD but not in controls

Johnson, K. A., Kelly, S. P., Robertson, I. H., Barry, E., Mulligan, A., Daly, M., Lambert, D. B., McDonnell, C., Connor, T. J., Hawi, Z., Gill, M. & Bellgrove, M. A., 2008, In : American Journal of Medical Genetics Part B: Neuropsychiatric Genetics. 147, 6, p. 927 - 937 11 p.

Research output: Contribution to journalArticleResearchpeer-review

A case-control genome-wide association study of ADHD discovers a novel association with the tenascin R (TNR) gene

Hawi, Z., Yates, H., Pinar, A., Arnatkeviciuteb, A., Johnson, B., Tong, J., Pugsley, K., Dark, C., Pauper, M., Klein, M., Heussler, H. S., Hiscock, H., Fornito, A., Tiego, J., Finlay, A., Vance, A., Gill, M., Kent, L. & Bellgrove, M. A., 18 Dec 2018, In : Translational Psychiatry. 8, 1, 8 p., 284.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File

A case-control genome wide association study of childhood attention deficit hyperactivity disorder (ADHD)

Hawi, Z., Yates, H., Kent, L. & Gill, M., 2019, In : European Neuropsychopharmacology. 29, Supp 3, p. s956-s956 1 p.

Research output: Contribution to journalMeeting AbstractOtherpeer-review

ADHD, Autism Spectrum Disorders and Tourette's Syndrome: Investigating the Evidence for Clinical and Genetic Overlap

Gallagher, L., Bellgrove, M. A., Hawi, Z., Segurado, R. & Fitzgerald, M. F., 2007, Handbook of Attention Deficit Hyperactivity Disorder. Fitzgerald, M., Bellgrove, M. & Gill, M. (eds.). Uk: John Wiley & Sons, p. 69 - 89 21 p.

Research output: Chapter in Book/Report/Conference proceedingChapter (Book)Researchpeer-review

25 Citations (Scopus)

ADHD and DAT1: further evidence of paternal over-transmission of risk alleles and haplotype

Hawi, Z., Kent, L. S. W., Hill, M. J., Anney, R. J., Brookes, K. J., Barry, E., Franke, B., Banaschewski, T., Buitelaar, J. K., Ebstein, R. P., Miranda, A. L., Oades, R. D., Roeyers, H., Rothenberger, A., Sergeant, J. A., Sonuga-Barke, E. J. S., Steinhausen, H. C., Faraone, S. V., Asherson, P. J. & Gill, M., 2010, In : American Journal of Medical Genetics Part B: Neuropsychiatric Genetics. 153, 1, p. 97 - 102 6 p.

Research output: Contribution to journalArticleResearchpeer-review

29 Citations (Scopus)

A Genetic Investigation of Sex Bias in the Prevalence of Attention-Deficit/Hyperactivity Disorder

Martin, J., Walters, R. K., Demontis, D., Mattheisen, M., Lee, S. H., Robinson, E., Brikell, I., Ghirardi, L., Larsson, H., Lichtenstein, P., Eriksson, N., 23andMe Research Team, Psychiatric Genomics Consortium: ADHD Subgroup, iPSYCH–Broad ADHD Workgroup, Werge, T., Mortensen, P. B., Pedersen, M. G., Mors, O., Nordentoft, M., Hougaard, D. M. & 8 others, Bybjerg-Grauholm, J., Wray, N. R., Franke, B., Faraone, S. V., O'Donovan, M. C., Thapar, A., Børglum, A. D. & Neale, B. M., 15 Jun 2018, In : Biological Psychiatry. 83, 12, p. 1044-1053 10 p.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
24 Citations (Scopus)

A high density linkage disequilibrium mapping in 14 noradrenergic genes: evidence of association between SLC6A2, ADRA1B and ADHD

Hawi, Z., Matthews, N., Barry, E., Kirley, A., Wagner, J., Wallace, R., Heussler, H. S., Vance, A. L. A., Gill, M. & Bellgrove, M. A., 2013, In : Psychopharmacology. 225, 4, p. 895 - 902 8 p.

Research output: Contribution to journalArticleResearchpeer-review

1 Citation (Scopus)

Allelic expression imbalance of the schizophrenia susceptibility gene CHI3L1: evidence of cis-acting variation and tissue specific regulation

Hill, M. J., Kenny, E. M., Roche, S., Morris, D. W., Corvin, A., Hawi, Z., Gill, M. & Anney, R. J., 2011, In : Psychiatric Genetics. 21, 6, p. 281 - 286 6 p.

Research output: Contribution to journalArticleResearchpeer-review

2 Citations (Scopus)

Allelic variation in dopamine D2 receptor gene is associated with attentional impulsiveness on the Barratt Impulsiveness Scale (BIS-11)

Taylor, J. B., Cummins, T. D. R., Fox, A. M., Johnson, B. P., Tong, J. H., Visser, T. A. W., Hawi, Z. & Bellgrove, M., 20 Jan 2017, In : World Journal of Biological Psychiatry. 19, S2, p. S75-S83 9 p.

Research output: Contribution to journalArticleResearchpeer-review

12 Citations (Scopus)

Alpha-2A adrenergic receptor gene variants are associated with increased intra-individual variability in response time

Cummins, T., Jacoby, O., Hawi, Z., Nandam, L. S., Byrne, M. A. V., Kim, B-N., Wagner, J., Chambers, C. D. & Bellgrove, M. A., 2014, In : Molecular Psychiatry. 19, p. 1031 - 1036 6 p.

Research output: Contribution to journalArticleResearchpeer-review

14 Citations (Scopus)

An association between a dopamine transporter gene (SLC6A3) haplotype and ADHD symptom measures in nonclinical adults

Tong, J. H. S., Cummins, T., Johnson, B. P., McKinley, L-A., Pickering, H., Fanning, P., Stefanac, N., Newman, D. P., Hawi, Z. & Bellgrove, M. A., 2015, In : American Journal of Medical Genetics Part B: Neuropsychiatric Genetics. 168, 2, p. 89 - 96 8 p.

Research output: Contribution to journalArticleResearchpeer-review

6 Citations (Scopus)

An overview of the pharmacogenetics and molecular genetics of ADHD

Lowe, N., Barry, E., Gill, M. & Hawi, Z., Sep 2006, In : Current Pharmacogenomics. 4, 3, p. 231-243 13 p.

Research output: Contribution to journalReview ArticleResearchpeer-review

7 Citations (Scopus)

Apolipoprotein e promoter polymorphisms (-491A/T and -427T/C) and Alzheimer's disease: No evidence of association in the Irish population

Lynch, C. A., Brazil, J. K., Cullen, B., Coakley, D. P., Gill, M., Lawlor, B. A. & Hawi, Z., 2008, In : Irish Journal of Medical Science. 177, 1, p. 29 - 33 5 p.

Research output: Contribution to journalArticleResearchpeer-review

29 Citations (Scopus)

A protective effect of apolipoprotein E e2 allele on dementia in Down's syndrome

Tyrrell, J., Cosgrave, M., Hawi, Z., McPherson, J., O'Brien, C., McCalvert, J., McLaughlin, M., Lawlor, B. & Gill, M., 15 Mar 1998, In : Biological Psychiatry. 43, 6, p. 397-400 4 p.

Research output: Contribution to journalArticleResearchpeer-review

A review of attention deficit hyperactivity disorder and dopamine system candidate

Kirley, A., Hawi, Z., McCarron, M., Mullins, C., Fitzgerald, M. & Gill, M., 8 Oct 2001, In : American Journal of Medical Genetics Part B: Neuropsychiatric Genetics. 105, 7, p. 634 1 p.

Research output: Contribution to journalArticleResearchpeer-review

A significant association of serotonin transporter polymorphism haplotypes in attention deficit hyperactivity disorder (ADHD)

Kent, L., Hardy, E., Hawi, Z., Fitzgerald, M., Kirley, A., Gill, M. & Craddock, N., 8 Oct 2001, In : American Journal of Medical Genetics Part B: Neuropsychiatric Genetics. 105, 7, p. 574-575 2 p.

Research output: Contribution to journalArticleResearchpeer-review

62 Citations (Scopus)

Association analysis of the monoamine oxidase A and B genes with attention deficit hyperactivity disorder (ADHD) in an Irish sample: Preferential transmission of the MAO-A 941G allele to affected children

Domschke, K., Sheehan, K., Lowe, N., Kirley, A., Mullins, C., O'Sullivan, R., Freitag, C., Becker, T., Conroy, J., Fitzgerald, M., Gill, M. & Hawi, Z., 5 Apr 2005, In : American Journal of Medical Genetics Part B: Neuropsychiatric Genetics. 134 B, 1, p. 110-114 5 p.

Research output: Contribution to journalArticleResearchpeer-review

75 Citations (Scopus)

Association between dopamine transporter (DAT1) genotype, left-sided inattention, and an enhanced response to methylphenidate in attention-deficit hyperactivity disorder

Bellgrove, M. A., Hawi, Z., Kirley, A., Fitzgerald, M., Gill, M. & Robertson, I. H., Dec 2005, In : Neuropsychopharmacology. 30, 12, p. 2290-2297 8 p.

Research output: Contribution to journalArticleResearchpeer-review

81 Citations (Scopus)

Association of DRD4 in children with ADHD and comorbid conduct problems

Holmes, J., Payton, A., Barrett, J., Harrington, R., McGuffin, P., Owen, M., Ollier, W., Worthington, J., Gill, M., Kirley, A., Hawi, Z., Fitzgerald, M., Asherson, P., Curran, S., Mill, J., Gould, A., Taylor, E., Kent, L., Craddock, N. & Thapar, A., 8 Mar 2002, In : American Journal of Medical Genetics Part B: Neuropsychiatric Genetics. 114, 2, p. 150-153 4 p.

Research output: Contribution to journalArticleResearchpeer-review

134 Citations (Scopus)

Association of the 480 bp DAT1 allele with methylphenidate response in a sample of Irish children with ADHD

Kirley, A., Lowe, N., Hawi, Z., Mullins, C., Daly, G., Waldman, I., McCarron, M., O'Donnell, D., Fitzgerald, M. & Gill, M., 15 Aug 2003, In : American Journal of Medical Genetics Part B: Neuropsychiatric Genetics. 121 B, 1, p. 50-54 5 p.

Research output: Contribution to journalArticleResearchpeer-review

97 Citations (Scopus)

Association of the paternally transmitted copy of common Valine allele of the Val66Met polymorphism of the brain-derived neurotrophic factor (BDNF) gene with susceptibility to ADHD

Kent, L., Green, E., Hawi, Z., Kirley, A., Dudbridge, F., Lowe, N., Raybould, R., Langley, K., Bray, N., Fitzgerald, M., Owen, M. J., O'Donovan, M. C., Gill, M., Thapar, A. & Craddock, N., Oct 2005, In : Molecular Psychiatry. 10, 10, p. 939-943 5 p.

Research output: Contribution to journalArticleResearchpeer-review

51 Citations (Scopus)

Association of the steroid sulfatase (STS) gene with attention deficit hyperactivity disorder

Brookes, K. J., Hawi, Z., Kirley, A., Barry, E., Gill, M. & Kent, L. S. W., 2008, In : American Journal of Medical Genetics Part B: Neuropsychiatric Genetics. 147, 8, p. 1531 - 1535 5 p.

Research output: Contribution to journalArticleResearchpeer-review

9 Citations (Scopus)

Attention deficit hyperactivity disorder: Association with the dopamine transporter (DAT1) but not with the dopamine D4 receptor (DRD4)

Daly, G., Hawi, Z., Fitzgerald, M. & Gill, M., 6 Nov 1998, In : American Journal of Medical Genetics Part B: Neuropsychiatric Genetics. 81, 6, p. 501 1 p.

Research output: Contribution to journalArticleOtherpeer-review

Attention Deficit Hyperactivity Disorder

Tong, J., Hawi, Z. & Bellgrove, M. A., 2017, Developmental Disorders of the Brain. Rinehart, N. J., Bradshaw, J. L. & Enticott, P. G. (eds.). 2nd ed. Routledge, p. 119-138 20 p. (Brain, Behaviour and Cognition Series).

Research output: Chapter in Book/Report/Conference proceedingChapter (Book)Otherpeer-review

Attention deficit hyperactivity disorder (ADHD) and 5HT2C receptor: A slight increase in the transmission of Cys23 to ADHD cases

Nugent, E., Hawi, Z., Lowe, N., Kirley, A., Fitzgerald, M. F. & Gill, M., 8 Oct 2001, In : American Journal of Medical Genetics Part B: Neuropsychiatric Genetics. 105, 7, p. 637 1 p.

Research output: Contribution to journalArticleResearchpeer-review

Avenues for Pharmacogenetic Research in ADHD

Barry, E., Hawi, Z. & Kirley, A., 2007, Handbook of Attention Deficit Hyperactivity Disorder. Fitzgerald, M., Bellgrove, M. & Gill, M. (eds.). John Wiley & Sons, p. 355-371 16 p.

Research output: Chapter in Book/Report/Conference proceedingChapter (Book)Otherpeer-review

117 Citations (Scopus)

Case-control genome-wide association study of attention-deficit/ hyperactivity disorder

Neale, B. M., Medland, S. E., Ripke, S., Anney, R. J., Asherson, P. J., Buitelaar, J. K., Franke, B., Gill, M., Kent, L. S. W., Holmans, P. A., Middleton, F. A., Thapar, A., Lesch, K. P., Faraone, S. V., Daly, M. J., Nguyen, T. T., Schafer, H. H., Steinhausen, H. C., Reif, A., Renner, T. J. & 13 others, Romanos, M., Romanos, J., Warnke, A., Walitza, S., Freitag, C. M., Meyer, J. D., Palmason, H. O., Rothenberger, A., Hawi, Z., Sergeant, J. A., Roeyers, H., Mick, E. O. & Biederman, J. J., 2010, In : Journal of the American Academy of Child and Adolescent Psychiatry. 49, 9, p. 906 - 920 15 p.

Research output: Contribution to journalArticleResearchpeer-review

415 Citations (Scopus)

Confirmation of association between attention deficit hyperactivity disorder and a dopamine transporter polymorphism

Gill, M., Daly, G., Heron, S., Hawi, Z. & Fitzgerald, M., 1997, In : Molecular Psychiatry. 2, 4, p. 311-313 3 p.

Research output: Contribution to journalArticleResearchpeer-review

Creativity, psychosis, autism, and the social brain

Fitzgerald, M. F. & Hawi, Z., 2008, In : Behavioral and Brain Sciences. 31, 3, p. 268 - 269 2 p.

Research output: Contribution to journalLetterOther

15 Citations (Scopus)

Differential dopamine receptor D4 allele association with ADHD dependent of proband season of birth

Brookes, K. J., Neale, B. M., Xu, X., Thapar, A., Gill, M., Langley, K., Hawi, Z., Mill, J. S., Taylor, E. T., Franke, B., Chen, W., Ebstein, R. P., Buitelaar, J. K., Banaschewski, T., Sonuga-Barke, E. J. S., Eisenberg, J., Manor, I., Miranda, A. L., Oades, R. D., Roeyers, H. & 5 others, Rothenberger, A., Sergeant, J. A., Steinhausen, H. C., Faraone, S. V. & Asherson, P. J., 2008, In : American Journal of Medical Genetics Part B: Neuropsychiatric Genetics. 147, 1, p. 94 - 99 6 p.

Research output: Contribution to journalArticleResearchpeer-review

110 Citations (Scopus)

Discovery of the first genome-wide significant risk loci for attention deficit/hyperactivity disorder

Demontis, D., Walters, R. K., Martin, J., Manuel, M., Als, T., Agerbo, E., Baldursson, G., Belliveau, R., Bybjerg-Grauholm, J., Bækvad-Hansen, M., Cerrato, F., Chambert, K., Churchhouse, C., Dumont, A., Eriksson, N., Gandal, M., Goldstein, J. I., Grasby, K. L., Grove, J., Gudmundsson, O. O. & 3 others, ADHD Working Group of the Psychiatric Genomics Consortium (PGC), Early Lifecourse & Genetic Epidemiology (EAGLE) Consortium & 23andMe Research Team, Jan 2019, In : Nature Genetics. 51, 1, 16 p.

Research output: Contribution to journalArticleResearchpeer-review

149 Citations (Scopus)

Dissecting the attention deficit hyperactivity disorder (ADHD) phenotype: Sustained attention, response variability and spatial attentional asymmetries in relation to dopamine transporter (DAT1) genotype

Bellgrove, M. A., Hawi, Z., Kirley, A., Gill, M. & Robertson, I. H., 2005, In : Neuropsychologia. 43, 13, p. 1847-1857 11 p.

Research output: Contribution to journalArticleResearchpeer-review

30 Citations (Scopus)

DNA variation in the SNAP25 gene confers risk to ADHD and Is associated with reduced expression in prefrontal cortex

Hawi, Z., Matthews, N., Wagner, J., Wallace, R., Butler, T. J., Vance, A. L. A., Kent, L. S. W., Gill, M. & Bellgrove, M. A., 2013, In : PLoS ONE. 8, 4 (Art. No. e60274 ), p. 1 - 8 8 p.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
34 Citations (Scopus)

Dopa decarboxylase gene polymorphisms and attention deficit hyperactivity disorder (ADHD): No evidence for association in the Irish population

Hawi, Z., Foley, D., Kirley, A., McCarron, M., Fitzgerald, M. & Gill, M., 2001, In : Molecular Psychiatry. 6, 4, p. 420-424 5 p.

Research output: Contribution to journalArticleResearchpeer-review

44 Citations (Scopus)

Dopaminergic genotype biases spatial attention in healthy children

Bellgrove, MA., Chambers, C. D., Johnson, K. A., Daibhis, A., Daly, M., Barry, E., Hawi, Z., Lambert, D., Gill, M. & Robertson, I. H., 2007, In : Molecular Psychiatry. 12, 8, p. 786-792 7 p.

Research output: Contribution to journalArticleResearchpeer-review

31 Citations (Scopus)

Dopaminergic haplotype as a predictor of spatial inattention in children with attention-deficit/hyperactivity disorder

Bellgrove, M. A., Johnson, K. A., Barry, E., Mulligan, A., Hawi, Z., Gill, M., Robertson, I. H. & Chambers, C. D., 2009, In : Archives of General Psychiatry. 66, 10, p. 1135 - 1142 8 p.

Research output: Contribution to journalArticleResearchpeer-review

157 Citations (Scopus)

Dopaminergic system genes in ADHD: Toward a biological hypothesis

Kirley, A., Hawi, Z., Daly, G., McCarron, M., Mullins, C., Millar, N., Waldman, I., Fitzgerald, M. & Gill, M., Oct 2002, In : Neuropsychopharmacology. 27, 4, p. 607-619 13 p.

Research output: Contribution to journalArticleResearchpeer-review

8 Citations (Scopus)

Dopamine transporter genotype is associated with a lateralized resistance to distraction during attention selection

Newman, D. P., Cummins, T., Tong, J. H. S., Johnson, B. P., Pickering, H., Fanning, P., Wagner, J., Goodrich, J. T. T., Hawi, Z., Chambers, C. D. & Bellgrove, M. A., 2014, In : Journal of Neuroscience. 34, 47, p. 15743 - 15750 8 p.

Research output: Contribution to journalArticleResearchpeer-review

40 Citations (Scopus)

Dopamine transporter genotype predicts behavioural and neural measures of response inhibition

Cummins, TDR., Hawi, Z., Hocking, J., Strudwick, M., Hester, R., Garavan, H., Wagner, J., Chambers, CD. & Bellgrove, MA., Nov 2012, In : Molecular Psychiatry. 17, 11, p. 1086-1092 7 p.

Research output: Contribution to journalArticleResearchpeer-review

85 Citations (Scopus)

DRD4 gene variants and sustained attention in attention deficit hyperactivity disorder (ADHD): Effects of associated alleles at the VNTR and -521 SNP

Bellgrove, M. A., Hawi, Z., Lowe, N., Kirley, A., Robertson, I. H. & Gill, M., 5 Jul 2005, In : American Journal of Medical Genetics Part B: Neuropsychiatric Genetics. 136 B, 1, p. 81-86 6 p.

Research output: Contribution to journalArticleResearchpeer-review

8 Citations (Scopus)

Epistasis between neurochemical gene polymorphisms and risk for ADHD

Segurado, R., Bellgrove, M., Manconi, F., Gill, M. & Hawi, Z., 2011, In : European Journal of Human Genetics. 19, 5, p. 577 - 582 6 p.

Research output: Contribution to journalArticleResearchpeer-review

2 Citations (Scopus)

Erratum: Tryptophan hydroxylase 2 (TPH2) gene variants associated with ADHD (Molecular Psychiatry (2005) 10 (944-949) DOI: 10.1038/sj.mp.4001698)

Sheehan, K., Lowe, N., Kirley, A., Mullins, C., Fitzgerald, M., Gill, M. & Hawi, Z., Feb 2006, In : Molecular Psychiatry. 11, 2, p. 221 1 p.

Research output: Contribution to journalComment / DebateOtherpeer-review

82 Citations (Scopus)

European Multicentre Association Study of Schizophrenia: A study of the DRD2 Ser311Cys and DRD3 Ser9Gly polymorphisms

Spurlock, G., Williams, J., McGuffin, P., Aschauer, H. N., Lenzinger, E., Fuchs, K., Sieghart, W. C., Meszaros, K., Fathi, N., Laurent, C., Mallet, J., Macciardi, F., Pedrini, S., Gill, M., Hawi, Z., Gibson, S., Jazin, E. E., Yang, H. T., Adolfsson, R., Pato, C. N. & 2 others, Dourado, A. M. & Owen, M. J., 7 Feb 1998, In : American Journal of Medical Genetics Part B: Neuropsychiatric Genetics. 81, 1, p. 24-28 5 p.

Research output: Contribution to journalArticleResearchpeer-review

58 Citations (Scopus)

Evidence that genetic variation in the oxytocin receptor (OXTR) gene influences social cognition in ADHD

Park, J., Willmott, M., Vetuz, G. L., Toye, C., Kirley, A., Hawi, Z., Brookes, K. J., Gill, M. & Kent, L. S. W., 2010, In : Progress in Neuro-Psychopharmacology and Biological Psychiatry. 34, 4, p. 697 - 702 6 p.

Research output: Contribution to journalArticleResearchpeer-review

124 Citations (Scopus)

Evidence that variation at the serotonin transporter gene influences susceptibility to attention deficit hyperactivity disorder (ADHD): Analysis and pooled analysis

Kent, L., Doerry, U., Hardy, E., Parmar, R., Gingell, K., Hawi, Z., Kirley, A., Lowe, N., Fitzgerald, M., Gill, M. & Craddock, N., 2002, In : Molecular Psychiatry. 7, 8, p. 908-912 5 p.

Research output: Contribution to journalArticleResearchpeer-review

32 Citations (Scopus)

Examination of new and reported data of the DRD3/Mscl polymorphism: No support for the proposed association with schizophrenia

Hawi, Z., McCabe, U., Straub, R. E., O'Neill, A., Kendler, K. S., Walsh, D. & Gill, M., 1998, In : Molecular Psychiatry. 3, 2, p. 150-155 6 p.

Research output: Contribution to journalArticleResearchpeer-review

37 Citations (Scopus)

fMRI activation during response inhibition and error processing: the role of the DAT1 gene in typically developing adolescents and those diagnosed with ADHD

Braet, W., Johnson, K., Tobin, C., Acheson, R., McDonnell, C., Hawi, Z., Barry, E., Mulligan, A., Gill, M., Bellgrove, M., Robertson, I. & Garavan, H., 2011, In : Neuropsychologia. 49, 7, p. 1641 - 1650 10 p.

Research output: Contribution to journalArticleResearchpeer-review

16 Citations (Scopus)

Functional analysis of intron 8 and 3' UTR variable number of tandem repeats of SLC6A3: differential activity of intron 8 variants

Hill, M. J., Anney, R. J., Gill, M. & Hawi, Z., 2010, In : The Pharmacogenomics Journal. 10, 5, p. 442 - 447 6 p.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File

Genes conferring risk for Alzheimer's disease: Their role in the development of dementia in Down's syndrome

Gill, M., Tyrell, J., Cosgrave, M., Hawi, Z. & Lawlor, B., 1997, In : Genetic Counseling. 8, 3, p. 258 1 p.

Research output: Contribution to journalArticleResearchpeer-review