1. Department of Respiratory Medicine, National Hospital Organization Kure Medical Center and Chugoku Cancer Center
2. Department of Neurology, National Hospital Organization Kure Medical Center and Chugoku Cancer Center
3. Hiroshima City Funairi Citizens Hospital
4. Department of General Thoracic Surgery, National Hospital Organization Kure Medical Center and Chugoku Cancer Center
5. Department of Diagnostic Pathology, National Hospital Organization Kure Medical Center and Chugoku Cancer Center