1. Department of Respiratory Medicine, Kobe City Medical Center General Hospital, Kobe-City, Hyogo, Japan.
2. Department of Respiratory Medicine, Ichinomiyanishi Hospital, Ichinomiya-City, Aichi, Japan.
3. Division of Epidemiology, Department of Medicine, Vanderbilt University School of Medicine, Nashville, Tennessee, USA.
4. Center for Pulmonary Diseases, Department of Respiratory Medicine, National Hospital Organization Tokyo Hospital, Kiyose-City, Tokyo, Japan.
5. Division of Respiratory Medicine, Saiseikai Kumamoto Hospital, Kumamoto-City, Kumamoto, Japan.
6. Scientific Research Works Peer Support Group (SRWS-PSG), Osaka-City, Osaka, Japan.
7. Department of Minimally Invasive Surgical and Medical Oncology, Fukushima Medical University, Fukushima-City, Fukushima, Japan.
8. Department of Thoracic Surgery, The University of Tokyo Hospital, Bunkyo-ku, Tokyo, Japan.
9. Department of Thoracic Medicine, Saiseikai Yokohamashi Tobu Hospital, Yokohama-City, Kanagama, Japan.
10. Department of Internal Medicine, Kyoto Min-Iren Asukai Hospital, Kyoto-City, Kyoto, Japan.
11. Section of Clinical Epidemiology, Department of Community Medicine, Kyoto University Graduate School of Medicine, Kyoto-City, Kyoto, Japan.
12. Department of Healthcare Epidemiology, Kyoto University Graduate School of Medicine/School of Public Health, Kyoto-City, Kyoto, Japan.