1. Division of Dentistry and Oral Surgery Department of Sensory and Locomotor Medicine Faculty of Medical Sciences, University of Fukui Fukui Japan
2. Department of Regenerative Oral Surgery Graduate School of Biomedical Sciences, Nagasaki University Nagasaki Japan
3. Department of Dermatology Faculty of Medical Sciences, University of Fukui Fukui Japan
4. Department of Plastic and Reconstructive Surgery Saga University Hospital Saga Japan
5. Department of Plastic and Reconstructive Surgery University of Fukui Hospital Fukui Japan
6. Division of Otorhinolaryngology Head and Neck Surgery Department of Sensory and Locomotor Medicine Faculty of Medical Sciences, University of Fukui Fukui Japan