1. Department of Pathology and Applied Neurobiology, Graduate School of Medical Science; Kyoto Prefectural University of Medicine (KPUM); Kyoto Japan
2. Department of Anatomic Pathology; Tokyo Medical University School of Medicine; Tokyo Japan
3. Department of Otolaryngology; Kyoto Chubu Medical Center; Kyoto Japan
4. The Center for Quality Assurance in Research and Development; Kyoto Prefectural University of Medicine; Kyoto Japan
5. Department of Diagnostic Pathology; Kyoto Chubu Medical Center; Kyoto Japan