[1] UCL, Inst Child Hlth, Behav & Brain Sci Unit, 30 Guilford St, London WC1N 1EH, England
[2] Polytech Univ Marche, Psychiat Unit, United Hosp Ancona, Via Conca 71, Ancona, Italy
[3] Polytech Univ Marche, Acad Dept Expt & Clin Med, Via Conca 71, Ancona, Italy
[4] UCL, Dept Appl Hlth Res, 1-19 Torrington Pl, London WC1E 7HB, England
[5] Univ Melbourne, Sch Psychol Sci, Melbourne, Vic, Australia
[6] Med Univ Vienna, Dept Child & Adolescent Psychiat, Wahringer Gurtel 18-20, A-1090 Vienna, Austria
[7] Univ Hosp Bellvitge, Dept Psychiat, IDIBELL, Barcelona, Spain
[8] CIBER Fisiopatol Obesidad & Nutr CIBERobn, Barcelona, Spain
[9] Kings Coll London, Inst Psychiat, Eating Disorders Res Unit, Psychol Med, London WC2R 2LS, England
[10] Icahn Sch Med Mt Sinai, Dept Psychiat, New York, NY 10029 USA