Institution: | (1) Department of Internal Medicine, National Kinki-Chuo Hospital for Chest diseases, 1180 Nagasone-Cho, Sakai, 591 Osaka, Japan;(2) Tokushima University Medical School, Kuramoto-Cho, 770 Tokushima, Japan;(3) Osaka University Medical School, Fukushima-Ku, 553 Osaka, Japan;(4) Osaka University, Kamiyamada Suita, 565 Osaka, Japan |