1. Department of Orthopedic Surgery; Sapporo Medical University School of Medicine; Sapporo Hokkaido Japan
2. Central CI Clinic; Sapporo Hokkaido Japan
3. Hitsujigaoka Hospital; Sapporo Hokkaido Japan
4. Department of Medical Oncology and Hematology; Sapporo Medical University School of Medicine; Sapporo Hokkaido Japan
5. Department of Dermatology; Sapporo Medical University School of Medicine; Sapporo Hokkaido Japan
6. Respiratory Medicine; Hakodate Municipal Hospital; Hakodate Hokkaido Japan
7. Department of Surgical Pathology; Hokkaido University Hospital; Sapporo Hokkaido Japan
8. Department of Surgical Pathology; Sapporo Medical University School of Medicine; Sapporo Hokkaido Japan