1. Department of Oral and Maxillofacial Anatomy; Institute of Health Biosciences, University of Tokushima Graduate School; 3-18-15 Kuramoto Tokushima Japan
2. Department of Plastic and Reconstructive Surgery; Iwate Medical University Faculty of Medicine; Iwate Japan
3. Department of Anatomy; Division of Functional Morphology, Iwate Medical University; Iwate Japan