1. Faculty of Medicine; University of Berne; Berne Switzerland
2. Division of Psychiatry Research and Psychogeriatric Medicine; Psychiatric University Hospital Zurich; Zurich Switzerland
3. Hospital de Magalhães Lemos, University of Porto; Porto Portugal
4. Collaborative Antwerp Psychiatric Research Institute, University of Antwerp; Antwerp Belgium
5. Psychiatric Department; Psychiatric Clinic of Minsk City; Minsk Belarus
6. Evgenidion Therapeftirion; National & Kapodistrian University of Athens; Athens Greece
7. University Clinic for Child and Adolescent Psychiatry and Psychotherapy; Vienna Austria
8. Service de Pédopsychiatrie; Hôpital de la Pitié Salpêtrière; Paris France
9. Barnet, Enfield and Haringey NHS Trust; London UK