1. Department of Thoracic Surgery Institute of Development, Aging and CancerTohoku University Sendai Japan
2. Center for Life Science Research University of Yamanashi Chuo Japan
3. Department of Occupational Health Tohoku University Graduate School of Medicine Sendai Japan
4. Department of Respiratory Medicine Tohoku University Graduate School of Medicine Sendai Japan
5. Department of Hematology and Rheumatology Tohoku University Hospital Sendai Japan