1. Department of Internal Medicine Izumikawa Hospital Minamishimabara Japan
2. Department of Respiratory Medicine Kouseikai Hospital Nagasaki Japan
3. Department of Respiratory Medicine Nagasaki University Hospital Nagasaki Japan
4. Department of Infection Control and Education Center Nagasaki University Hospital Nagasaki Japan
5. Clinical Research Center National Hospital Organization Nagasaki Medical Center Omura Japan
6. Clinical Research Center Nagasaki University Hospital Nagasaki Japan
7. Department of Laboratory Medicine Nagasaki University Hospital Nagasaki Japan