1. Department of Molecular Pathology; Shinshu University Graduate School of Medicine; Matsumoto Japan
2. Department of Laboratory Medicine; Shinshu University Hospital; Matsumoto Japan
3. Department of Laboratory Sciences; Gunma University Graduate School of Health Sciences; Maebashi Japan
4. Endoscopy Center; Suzaka Hospital; Nagano Prefectural Shinshu Medical Center; Suzaka Japan
5. Maruko Central Hospital; Ueda Japan
6. Department of Biomedical Laboratory Science; School of Health Sciences; Shinshu University; Matsumoto Japan