1. Department of Psychiatry and Psychotherapy, University of Göttingen, Germany;
2. Faculty of Medicine, University of Southampton, Southampton, UK;
3. Department of Clinical and Experimental Medicine, Section of Psychiatry, University of Pisa, Italy;
4. Department of Psychiatry, University of Milan; Fondazione IRCCS Cà Granda, Ospedale Maggiore Policlinico, Milan, Italy;
5. Department of Psychiatry, Psychosomatics and Psychotherapy, University of Wuerzburg, Germany;
6. Hertfordshire Partnership University NHS Foundation Trust and University of Hertfordshire, Rosanne House, Parkway, Welwyn Garden City, UK;
7. Neuroscience Center Zurich, University of Zurich and the ETH Zurich, Zürich, Switzerland;
8. Department of Child and Adolescent Psychiatry and Psychotherapy, Psychiatric Hospital, University of Zurich, Zürich, Switzerland;
9. Zurich Center for Integrative Human Physiology, University of Zurich, Switzerland;
10. Third Department of Psychiatry, Institute of Psychiatry and Neurology, Warszawa, Poland;
11. North Estonia Medical Centre, Department of Psychiatry, Tallinn, Estonia;
12. Department of Psychiatry, University of Tartu, Estonia;
13. Faculty of Medicine, Department of Medicine, Centre for Neuropsychopharmacology, Division of Brain Sciences, Imperial College London, UK;
14. Department of Psychology and Behavioural and Clinical Neuroscience Institute, University of Cambridge, UK;
15. Neurogenetics Section, Centre for Addiction & Mental Health, Toronto, Canada;
16. Frederick W. Thompson Anxiety Disorders Centre, Department of Psychiatry, Sunnybrook Health Sciences Centre, Toronto, Canada;
17. Institute of Medical Science and Department of Psychiatry, University of Toronto, Toronto, Canada