Affiliation: | (1) Second Department of Pathology, Wakayama Medical College, 27-Kyubancho Wakayama City, Wakayama, 640 Japan Tel.: +81 734-26-8315; Fax: +81 734-33-2053, JP;(2) Department of Pediatrics, Wakayama Medical College Kihoku Hospital, Wakayama, 649-71 Japan, JP;(3) Department of Pediatrics, Arita City Hospital, Wakayama, 649-03 Japan, JP;(4) Kaname Clinic, Wakayama, 647 Japan, JP |