1. Genome Analysis Center; Yamanashi Prefectural Central Hospital; Kofu Japan
2. Department of Gastroenterology; Zhongshan Hospital Affiliated with Xiamen University; Xiamen China
3. Pathology Division, Laboratory Department; Yamanashi Prefectural Central Hospital; Kofu Japan
4. Department of Gastroenterology; Yamanashi Prefectural Central Hospital; Kofu Japan
5. Graduate School of Medicine; The University of Tokyo; Tokyo Japan