Affiliation: | 1. Department of Anatomic Pathology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan;2. Department of Orthopedic Surgery, Hirosaki University Graduate School of Medicine, Hirosaki, Japan;3. Department of Endocrinology and Metabolism, Hirosaki University Graduate School of Medicine, Hirosaki, Japan;4. Department of Pathology and Oncology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan |