1. National Programmes, Rutgers, Dutch Centre of Expertise on Sexual and Reproductive Health
2. School of Health and Wellbeing, University of Glasgow
3. Centre for Health at NatCen, the Institute for Global Health at University College London
4. Departamento de Especialidades Quirúrgicas, Bioquímica, Ginecología y Obstetrician, Universidad de Málaga
5. Faculty of Psychology and Educational Sciences, Ghent University
6. National Institute of Mental Health, Klecany, and Faculty of Humanities, Charles University
7. Institute of Public Health, Rīga Stradiņš University
8. Institute for Sex Research, Sexual Medicine, and Forensic Psychiatry, University Centre Hamburg-Eppendorf
9. Faculty of Social Sciences, Department of Psychology, University of Oslo
10. IRIS U997, Institut National de la Santé et de la Recherche Médicale (INSERM)
11. Unit for Sexual Health and HIV prevention, The Public Health Agency of Sweden
12. Population Research Institute, Family Federation of Finland