Institution: | (1) Department of Pediatrics, Gifu University School of Medicine, Tsukasa-machi 40, Gifu 500, Japan, JP;(2) Department of Biochemistry, Shinshu University School of Medicine, Matsumoto, Japan, JP;(3) Department of Cytogenetics, Medical Research Institute, Tokyo Medical and Dental University, Tokyo, Japan, JP;(4) Chubu Women's College, Seki, Japan, JP |