1. Department of Business and Economics; Center of Health Economic Research; University of Southern Denmark; Odense Denmark
2. Fertility Clinic; Odense University Hospital; Odense Denmark
3. Fertility Clinic; Juliane Marie Centre; Rigshospitalet Copenhagen University Hospital; Copenhagen Denmark
4. Fertility Clinic; Holbaek Hospital; Holbaek Denmark
5. Fertility Clinic; Region Hospital Horsens; Horsens Denmark
6. School of Psychology; Cardiff University; Cardiff UK
7. Department of Public Health; University of Copenhagen; Copenhagen Denmark