1. Center for Innovative and Translational Medicine, Regenerative Medicine Group, Department of Surgery, Kochi Medical School, Kochi University, Kochi, Japan
2. Center for Innovative and Translational Medicine, Regenerative Medicine Group, Department of Surgery, Kochi Health Sciences Center, Kochi Medical School, Kochi University, Kochi, Japan
3. Center for Innovative and Translational Medicine, Regenerative Medicine Group, Department of Biostatistics, Kochi Medical School, Kochi University, Kochi, Japan
4. Center for Innovative and Translational Medicine, Regenerative Medicine Group, Department of Anesthesiology and Intensive Care Medicine, Kochi Medical School, Kochi University, Kochi, Japan