1. Departments of Biochemistry (E.O., Y.I.), Kita-gun, Kagawa 761–07;
2. Endocrinology (N.N.), Kagawa 761–07;
3. Pediatrics (S.O., S.I., Y.I.), Kita-gun, Kagawa 761–07;
4. Research Equipment Center (H.M.), Kagawa Medical University, Kita-gun, Kagawa 761–07;
5. the Department of Pediatrics, Osaka City General Hospital (K.F.), Toshima-ku, Osaka 534, Japan