1. Department of Dermatology; Shiga University of Medical Science; Setatsukinowa Otsu Shiga 520-2192 Japan
2. Department of Dermatology; Kawasaki Medical School; Kurashiki Okayama 701-0114 Japan
3. Clinical Research Center; Nagasaki Medical Center; Omura Nagasaki 856-8562 Japan
4. Division of Respirology, Neurology and Rheumatology; Department of Medicine; Kurume University School of Medicine; Kurume Fukuoka 830-0011 Japan