[1] Odense Univ Hosp, Hans Christian Andersen Childrens Hosp, HCA Res, Odense, Denmark
[2] Odense Univ Hosp, Ctr Innovat Med Technol, Odense, Denmark
[3] Univ Coll Absalon, Dept Nursing, Roskilde, Denmark
[4] Univ Southern Denmark, Fac Hlth Sci, Inst Clin Res, Winslowpk 19,3, DK-5000 Odense, Denmark
[5] Copenhagen Univ Hosp, Dept Obstet & Gynecol, Hvidovre, Denmark
[6] Univ Copenhagen, Dept Clin Med, Copenhagen, Denmark
[7] Fertil Partnership DK, TFP Stork Fertil, Copenhagen, Denmark