1. Department of Surgery and Science, Faculty of Medicine, Academic Assembly, University of Toyama, Sugitani, Toyama, Japan
2. Department of Plastic, Reconstructive, and Aesthetic Surgery, University of Toyama, Sugitani, Toyama, Japan
3. Department of Pathology, Faculty of Medicine, Academic Assembly, University of Toyama, Sugitani, Toyama, Japan
4. Department of Diagnostic Pathology, Faculty of Medicine, Academic Assembly, University of Toyama, Sugitani, Toyama, Japan