1. Department of Gastroenterology and Hepatology, Yamaguchi University Graduate School of Medicine, Yamaguchi, Japan.
2. Yamaguchi University Health Administration Center, Yamaguchi University, Yamaguchi, Japan.
3. Center for Reparative Medicine, Yamaguchi University Graduate School of Medicine, Yamaguchi, Japan.
4. Human Anatomy Department, Kazan State Medical University, Kazan, Russia.
5. Institute of Fundamental Medicine and Biology, Kazan (Volga region) Federal University, Kazan, Russian Federation.
6. Carlos Chagas Filho Biophysics Institute, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.
7. Department of Veterinary Surgery, Faculty of Agriculture, Yamaguchi University, Yamaguchi, Japan.
8. Center of Regenerative Medicine and Cell Therapy, Yamaguchi University Hospital, Yamaguchi, Japan.
9. Department of Developmental and Regenerative Biology, Medical Research Institute, Tokyo Medical and Dental University, Tokyo, Japan.