1. Department of Laboratory Medicine Shinshu University Hospital MatsumotoJapan
2. Department of Pathology Yokohama Municipal Citizen’s Hospital YokohamaJapan
3. Department of Clinical Laboratory Sciences School of Health Sciences Shinshu University MatsumotoJapan
4. Department of Pathology Graduate School of Medicine University of Tokyo TokyoJapan
5. Department of Medicine Division of Gastroenterology and Hepatology Shinshu University School of Medicine MatsumotoJapan
6. Department of Laboratory Medicine Shinshu University School of Medicine Matsumoto Japan