[1] Shinshu University Hospital,Comprehensive Cancer Center, Division of Clinical Oncology, Shinshu University School of Medicine
[2] Shinshu University School of Medicine,First Department of Internal Medicine
[3] Matsumoto Kyoritsu Hospital,Respiratory Division
[4] Nagano Red Cross Hospital,Respiratory Division
[5] Suwa Red Cross Hospital,Respiratory Division
[6] Saku Central Hospital,Respiratory Division