1 Department of Dermatology, Kansai Medical University, 2-5-1 Shinmachi, Hirakata, Osaka, 573-1010, Japan.
2 Department of Rheumatology and Clinical Immunology, Kansai Medical University, Hirakata, Japan.
3 Department of Molecular Pathology of Skin Faculty of Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, 920-8641, Japan.
4 Department of Dermatology, Faculty of Medicine, University of Tsukuba, Tsukuba, 305-8575, Japan.