Affiliation: | (1) Department of Gynecology and Obstetrics, Division of Reproductive Endocrinology and Infertility, Johns Hopkins University School of Medicine, 600 N. Wolfe Street, Baltimore, USA;(2) Department of Obstetrics and Gynecology, Division of Reproductive Endocrinology and Infertility, Athens University School of Medicine, Athens, Greece;(3) Department of Obstetrics and Gynecology, HsinChu Cathay General Hospital, Fu Jen Catholic University School of Medicine, New Taipei and HsinChu Cities, Taiwan |