1. Department of Dermatology, Division of Medicine, Faculty of Medical Sciences, University of Fukui, Fukui, Japan;
2. Department of Otorhinolaryngology, Division of Medicine, Faculty of Medical Sciences, University of Fukui, Fukui, Japan;
3. Department of Rehabilitation, Fukui University Hospital, Fukui, Japan;
4. Department of Dermatology, Faculty of Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, Japan