1. Department of Dermatology Faculty of Medical Sciences Kyushu University Higashi‐ku, Fukuoka Japan
2. Division of Skin Surface Sensing Department of Dermatology Faculty of Medical Sciences Kyushu University Higashi‐ku, Fukuoka Japan
3. Research and Clinical Center for Yusho and Dioxin Kyushu University Hospital Higashi‐ku, Fukuoka Japan