Affiliation: | 1.Department of Dermatology, Saitama Medical Center, Saitama Medical University, Saitama, Japan; 2.Department of Dermatology, Kurume University School of Medicine, Kurume, Japan; 3.Division of Gastroenterology, Department of Medicine, Kurume University School of Medicine, Kurume, Japan; 4.Department of Gastroenterology and Hepatology, Saitama Medical Center, Saitama Medical University, Saitama, Japan |