1. Second Division, Department of Internal MedicineHamamatsu University School of Medicine Hamamatsu Japan
2. Department of Respiratory MedicineSeirei Mikatahara General Hospital Hamamatsu Japan
3. Department of Respiratory MedicineSeirei Hamamatsu General Hospital Hamamatsu Japan
4. Department of Clinical Pharmacology and TherapeuticsHamamatsu University School of Medicine Hamamatsu Japan