1. Department of Respiratory Medicine, NHO Omuta Hospital, Tachibana, Omuta City 837-0911, Japan
2. Department of Respiratory Medicine, Graduate School of Medical Sciences, Kyushu University, Higashi-ku, Fukuoka 812-8582, Japan
3. Department of Bacteriology, Graduate School of Medical Sciences, Kyushu University, Higashi-ku, Fukuoka 812-8582, Japan
4. Graduate School of Bioscience and Biotechnology, Tokyo Institute of Technology, Meguro-ku, Tokyo 152-8550, Japan
5. Department of Nursing Humanics I, Miyazaki Prefectural Nursing University, Manabino, Miyazaki 880-0929, Japan
6. Tajiri Dermatology Clinic, Kiyotake, Miyazaki 889-1067, Japan