[1] Int Hellen Univ, Sch Hlth Sci, Dept Nutr Sci & Dietet, Thessaloniki 57400, Greece
[2] Nous Thrapy Ctr, Thessaloniki 54621, Greece
[3] Univ Nicosia, Sch Life & Hlth Sci, Dept Life Sci, CY-2417 Nicosia, Cyprus
[4] Univ Ottawa, Fac Med, Dept Psychiat, Ottawa, ON K1N 6N5, Canada
[5] Ottawa Hosp, Dept Mental Hlth, Ottawa, ON K1H 8L6, Canada
[6] Ottawa Hosp Res Inst OHRI, Clin Epidemiol Program, Ottawa, ON K1Z 7K4, Canada
[7] Charite Univ Med Berlin, Dept Child & Adolescent Psychiat, D-10117 Berlin, Germany
[8] Feinstein Inst Med Res, Ctr Psychiat Neurosci, Manhasset, NY 11030 USA
[9] Zucker Hillside Hosp, Dept Psychiat, Northwell Hlth, Glen Oaks, NY 11004 USA
[10] Donald & Barbara Zucker Sch Med Hofstra Northwell, Dept Psychiat & Mol Med, Hempstead, NY 11549 USA
[11] German Ctr Mental Hlth DZPG, Partner Site Berlin, D-10117 Berlin, Germany
[12] Univ Greenwich, Ctr Chron Illness & Ageing, London SE10 9LS, England
[13] Kings Coll London, Inst Psychiat Psychol & Neurosci, Dept Psychosis Studies, Early Psychosis Intervent & Clin Detect EP Lab, London SE5 8AB, England
[14] Univ Ioannina, Sch Educ, Dept Primary Educ, Ioannina 45110, Greece
[15] Univ Ioannina, Sch Social Sci, Dept Psychol, Ioannina 45110, Greece