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Vothknecht S, Meijer C, Zwinderman A, Kikkert M, Dekker J, van Beveren N, Schoevers R, de Haan L; For GROUP (Genetic Risk and Outcome of Psychosis).Vothknecht S, et al.Psychiatry Res. 2013 Mar 30;206(1):62-7. doi: 10.1016/j.psychres.2012.09.004. Epub 2012 Sep 27.Psychiatry Res. 2013.PMID: 23021423