Joana Moreira-Barros Department of Obstetrics and Gynecology. Hospital Pedro Hispano. Matosinhos. Portugal. Portugal
Kuan-Gen Huang Department of Obstetrics and Gynecology. Chang Gung Memorial Hospital. Linkou. Taiwan.
Department of Obstetrics and Gynecology. Chang Gung University College of Medicine. Kweishan. Taoyuan. Taiwan. Taiwan, Province of China