1. Department of Gastroenterology and Hepatology; Yamaguchi University Graduate School of Medicine; Ube Japan
2. Carlos Chagas Filho Biophysics Institute; Federal University of Rio de Janeiro; Rio de Janeiro Brazil
3. Center for Reparative Medicine; Yamaguchi University Graduate School of Medicine; Ube Japan
4. Yamaguchi University Health Administration Center; Yamaguchi University; Ube Japan