Affiliation: | a Department of Pediatrics, Gifu University, School of Medicine, Gifu 500, Japan Tel. (0582)65-1241, b Research Laboratory for Genetic Information, Kyushu University, Fukuoka 812, Japan Tel. (092)641-1151 c Department of Biochemistry, Ohita Medical College, Ohita 879-56, Japan Tel. (0975)49-4411 |