Institution: | a Department of Obstetrics and Gynecology, Akita University School of Medicine, Akita, 010-8543, Japan b Department of Dermatology and Plastic Surgery, Akita University School of Medicine, Akita, 010-8543, Japan c Division of Reproductive Biology, Department of Obstetrics and Gynecology, Stanford University School of Medicine, Stanford, CA 94305-5317, USA |