Corresponding author:
Ryuhei Jinushi, MD
Department of Gastroenterology,
Saitama Medical University International Medical Center
1397-1 Yamane, Hidaka, Saitama 350-1298, Japan
TEL: +81-42-984-4111
FAX: +81-42-984-4589
E-MAIL: gk3273@icloud.com