1. Department of Obstetrics and Gynecology University of California at San Francisco San Francisco California
2. Department of Global Health Sciences University of California at San Francisco San Francisco California
3. Centre for Research in Health and Economics University Pompeu Fabra Barcelona Spain
4. Catalan Health Service Government of Catalonia Barcelona Spain
5. Faculty of Health Sciences University Ramon Llull‐Blanquerna Barcelona Spain
6. Department of Surgery, Medical and Social Sciences University of Alcalá Alcalá de Henares Spain