1. Division of Skin Surface Sensing; Department of Dermatology; Graduate School of Medical Sciences; Kyushu University; Fukuoka Japan
2. Department of Dermatology; Fukuoka Dental College; Fukuoka Japan
3. Department of Dermatology; Graduate School of Medical Sciences; Kyushu University; Fukuoka Japan
4. Division of Dermatology; Graduate School of Medical and Dental Sciences; Niigata University; Niigata Japan