1. Department of Dermatology Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences Okayama Japan
2. Department of Nephrology, Rheumatology, Endocrinology, and Metabolism Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences Okayama Japan
3. Department of Otolaryngology Okayama Medical Center Okayama Japan