1. Department of Internal Medicine Kenwakai Hospital Iida Japan
2. Department of Pathology Kenwakai Hospital Iida Japan
3. Department of Biomedical Laboratory Sciences Shinshu University School of Medicine Matsumoto Japan
4. Department of Laboratory Sciences Gumma University Graduate School of Health Sciences Maebashi Japan
5. Department of Laboratory Medicine Shinshu University Hospital Matsumoto Japan
6. Department of Internal Medicine Showa Inan General Hospital Komagane Japan