| Authors: |
Petersen AA; Section of Social Medicine, Department of Public Health, University of Copenhagen, Copenhagen K, Denmark., Østergaard SS; Section of Social Medicine, Department of Public Health, University of Copenhagen, Copenhagen K, Denmark., Kyhl FN; Fertility Clinic, Department of Gynecology, Fertility and Obstetrics, Copenhagen University Hospital, Rigshospitalet, Copenhagen Ø, Denmark., Passet-Wittig J; Federal Institute for Population Research, Wiesbaden, Germany., Milewski N; Federal Institute for Population Research, Wiesbaden, Germany., Schmidt L; Section of Social Medicine, Department of Public Health, University of Copenhagen, Copenhagen K, Denmark., Vassard D; Section of Social Medicine, Department of Public Health, University of Copenhagen, Copenhagen K, Denmark.; Fertility Clinic, Department of Gynecology, Fertility and Obstetrics, Copenhagen University Hospital, Rigshospitalet, Copenhagen Ø, Denmark. |