1. Departments of Molecular Endocrinology (M.M., M.N., M.F., T.O.), National Research Institute of Child Health and Development, Tokyo 157-8535, Japan
2. Reproductive Biology (K.Mi.), National Research Institute of Child Health and Development, Tokyo 157-8535, Japan
3. Department of Molecular Biology (K.Mo.), Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan
4. Department of Pediatrics (S.S., E.N., T.O.), Hamamatsu University School of Medicine, Hamamatsu 431-3192, Japan