1. Department of Learning, Informatics, Management and Ethics (N.Z.), Karolinska Institutet, 171 77 Stockholm, Sweden;
2. Department of Economics (A.D., M.J.), Stockholm School of Economics, 113 83 Stockholm, Sweden;
3. Department of Economics (E.R.), University of Zurich, 8006 Zurich, Switzerland;
4. Department of Women’s and Children’s Health (L.B., B.v.S., A.L.H), Karolinska Institutet, and Department of Obstetrics and Gynecology, Karolinska University Hospital, 171 76 Stockholm, Sweden;
5. Laval University (F.L.), Quebec City G1V 0A6, Canada