[1] Sapporo Medical University School of Medicine,Department of Molecular Biology
[2] Teine-Keijinkai Hospital,Center for Gastroenterology
[3] Sapporo Medical University School of Medicine,Department of Gastroenterology and Hepatology
[4] Akita Red Cross Hospital,Department of Gastroenterology
[5] Iwate Medical University,Department of Molecular Diagnostic Pathology
[6] Sapporo Medical University School of Medicine,Department of Medical Genome Science, Research Institute for Frontier Medicine