Affiliation: | a Center for Reproductive Medicine, Academic Medical Center, Amsterdam b Department of Obstetrics and Gynecology, TweeSteden Hospital, Tilburg c Department of Obstetrics and Gynecology, Gooi-Noord Hospital, Blaricum d Department of Obstetrics and Gynecology, VieCurie Medical Center Noord-Limburg, Venlo/Venray e Department of Obstetrics and Gynecology, Máxima Medical Center, Veldhoven f Department of Obstetrics and Gynecology, Zaans Medical Center, Zaandam g Department of Obstetrics and Gynecology, Scheper Hospital, Emmen, the Netherlands |