1. Department of Psychiatry and Psychotherapy III, University of Ulm, Ulm, Germany
2. Department of Psychiatry, School of Medicine and Health Sciences, Carl von Ossietzky University Oldenburg, Oldenburg, Germany
3. Faculty of Medicine, Cairo University, Cairo, Egypt
4. Saint James School of Medicine, Arnos Vale, St Vincent & Grenadines
5. University of Washington, Seattle, WA, USA
6. Department of Obstetrics and Gynecology, Faculty of Medicine and Health Sciences, Carl von Ossietzky Universität Oldenburg, Oldenburg, Germany
7. School of Public Health, Imperial College London, London, United Kingdom