1. Division of General Medicine, Saiseikai Fukuoka General Hospital, 1-3-46, Tenjin, Chuo-ku, Fukuoka-City, Fukuoka, Japan
2. Division of Thoracic Surgery, Saiseikai Fukuoka General Hospital, 1-3-46, Tenjin, Chuo-ku, Fukuoka-City, Fukuoka, Japan
3. Division of Pathology, Saiseikai Fukuoka General Hospital, 1-3-46, Tenjin, Chuo-ku, Fukuoka-City, Fukuoka, Japan