1. Department of Dermatology International University of Health and Welfare Narita Chiba Japan
2. Department of Allergy and Rheumatology International University of Health and Welfare Narita Chiba Japan
3. Department of Hepato‐Biliary‐Pancreatic and Gastrointestinal Surgery International University of Health and Welfare School of Medicine Narita Chiba Japan
4. Department of Emergency Medicine International University of Health and Welfare School of Medicine Narita Chiba Japan
5. Department of Pathology International University of Health and Welfare Narita Chiba Japan