1. Department of Pathology Nagasaki University Graduate School of Biomedical Sciences NagasakiJapan
2. Division of Respirology, Neurology and Rheumatology Department of Medicine Kurume University School of Medicine FukuokaJapan
3. Department of Respiratory Medicine and Allergy Tosei General Hospital AichiJapan
4. Department of Respiratory Medicine Ogaki Municipal Hospital GifuJapan
5. Department of Respiratory Medicine National Center for Geriatrics and Gerontology AichiJapan
6. Division of Internal Medicine Saiseikai Fukuoka General Hospital FukuokaJapan
7. Department of Pathology Kameda Medical Center ChibaJapan
8. Department of Radiology Kansai Rosai Hospital Hyogo Japan