1. The Fertility Clinic, Skive Region Hospital, Resenvej 25, Skive, Denmark
2. Department of Clinical Medicine, Aarhus University, Nordre Ringgade 1, Aarhus C, Denmark
3. The Fertility Clinic, Herlev Hospital, Herlev Ringvej 75, Herlev, Denmark
4. Department of Clinical Medicine, University of Copenhagen, Blegdamsvej 3B, Copenhagen N, Denmark
5. The Fertility Clinic, Odense University Hospital, J.B. Winsløws Vej 4, Odense, Denmark
6. OPEN, Odense Patient Data Explorative Network, Odense University Hospital, J.B. Winsløws Vej 4, Odense, Denmark
7. The Fertility Clinic, Horsens Region Hospital, Sundvej 30, Horsens, Denmark
8. Laboratory of Reproductive Biology, The Juliane Marie Centre for Women, Children and Reproduction, University Hospital of Copenhagen, Blegdamsvej 3, Copenhagen, Denmark