3rd Dept. of Int. Med., Facul. of Med., Univ. of Tokyo, Tokyo
Yutaka Matsuo & Tatsuya Kitamura
Dept. of Med., Keio Univ., Sch. of Med. and Yokohama City Hosp., Japan
Shozo Omata & Takakiyo Sajima
Dept. of Surg., Gunma Univ. Sch. of Med., Maebashi
Zen Itoh
2nd Dept. of Surg., Kyoto Univ. Med. Sch., Japan
Takayoshi Tobe & Kozo Fukuchi
Dept. of Surg., Sch. of Med., Juntendo Univ., Japan
Yozo Watanabe & Koichi Kato
1st Dept. of Int. Med., Kyoto Univ. Hosp., Japan
Motoyuki Moriga & Takashi Inagawa
1st Dept. of Int. Med., Hiroshima Univ. Hosp., Japan
Takashi Inagawa
Dept. Int. Med. Sapporo Med. Col., Sapporo
Satoshi Yamada & Katsumi Sato
Dept, of Prevent. Med., Kyoto Pref. Univ. Med., Japan
F. Misaki & K. Murakami
Inst. of Cancer Res., Facul. of Med., Kagoshima Univ., Kagoshima
Kazuo Yunoki
2nd Dept. of Int. Med., Facul. of Med., Kagoshima Univ., Kagoshima
Katsura Arima
3rd Dept. of Int. Med., Tohoku Univ. Sch. of Med., Sendai
Hiroyuki Sakurada, Akira Ishimori, Hideo Watanabe & Nobuhiko Komi
1st Dept. of Surg., Facul. of Med., Univ. of Tokyo, Tokyo
Hisaaki Shimazu & Masayoshi Tani
Dept. of Surg., Nara Med. Univ., Nara
Toshihiko Okabayashi & Yoshihiro Shimano
Dept. of Surg., Niigata Univ. Sch. of Med., Niigata
Hisashi Matsuki & Terukazu Muto
Dept. of 1st Surg., Mie Univ. Sch. of Med., Tsu
Hiroyuki Ito & Minoru Kurata
3rd Dept. of Int. Med., Tohoku Univ. Sch of Med., Sendai
Shoichi Yamagata