Affiliation: | (1) Department of Obstetrics and Gynecology, Gunma University School of Medicine, 321-02 Mibu, Tochigi, (Japan);(2) Department of Physiology, Dokkyo University School of Medicine, 321-02 Mibu, Tochigi, (Japan);(3) Institute of Molecular and Cellular Regulation, Gunma University, 371 Maebashi, (Japan) |