[1] Yuhakukai Senju Hosp, Dept Resp Med, Nagasaki, Japan
[2] Hakujyujikai Sasebo Cent Hosp, Dept Resp Med, Nagasaki, Japan
[3] Hakujyujikai Sasebo Cent Hosp, Dept Neurol, Nagasaki, Japan
[4] Hakujyujikai Sasebo Cent Hosp, Dept Endocrinol & Metab Internal Med, Nagasaki, Japan
[5] Hakujyujikai Sasebo Cent Hosp, Dept Gastroenterol & Hepatol, Nagasaki, Japan
[6] Hakujyujikai Sasebo Cent Hosp, Dept Pathol, Nagasaki, Japan
[7] Hakujyujikai Sasebo Cent Hosp, Dept Cardiovasc Med, Nagasaki, Japan
[8] Hakujyujikai Sasebo Cent Hosp, Dept Neurosurg, Nagasaki, Japan
[9] Hakujyujikai Sasebo Cent Hosp, Dept Urol, Nagasaki, Japan