1 Graduate School of Social Work and Social Research, Bryn Mawr College, Bryn Mawr, PA, USA jlittell@brynmawr.edu.
2 Centre for Women's Mental Health, Faculty of Biology, Medicine and Health Sciences, University of Manchester, Manchester, UK.
3 Advancing New Standards in Reproductive Health, Department of Obstetrics, Gynecology, and Reproductive Sciences, School of Medicine, University of California San Francisco, Oakland, CA, USA.
4 Department of Population, Family and Reproductive Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA.
5 Center for Biomedical Research, Population Council, New York, NY, USA.
6 Department of Psychological and Brain Sciences, University of California Santa Barbara, USA.
7 Department of Clinical Research (Research Unit for Child and Adolescent Psychiatry), University of Southern Denmark, Odense, Denmark.
8 The National Center for Register-based Research, Aarhus University, Aarhus, Denmark.
9 Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA.
10 Department of Psychiatry, University of Toronto, Toronto, Canada.
11 Department of Psychology, Arizona State University, Tempe, AZ, USA.
12 Department of Family Science, School of Public Health, University of Maryland, College Park, MD, USA.
13 Departments of Psychiatry, Obstetrics and Gynecology, Medicine, Surgery, Anesthesiology, Family and Community Medicine, University of Toronto, Toronto, Canada.
14 Toronto General Hospital Research Institute, Toronto, Canada.
15 Department of Psychiatry and Behavioral Sciences, Rush Medical Center, Rush University, Chicago, IL, USA.
16 Interdisciplinary Social Science: Social Policy and Public Health, Utrecht University, Utrecht, Netherlands.
17 Department of Obstetrics and Gynaecology, Amsterdam University Medical Center, Amsterdam, Netherlands.