Affiliation: | 1. Department of Fundamental Radiology, Faculty of Medicine, Osaka University, Kita-ku, Osaka 530, Japan;2. Department of Dermatology, Faculty of Medicine, Osaka University, Kita-ku, Osaka 530 Japan;3. Department of Pediatrics, Faculty of Medicine, Osaka University, Kita-ku, Osaka 530 Japan;4. Central Laboratory, Kanazawa Medical University, Uchinada, Ishikawa 920-02 Japan |