1. First Department of Pathology, Kansai Medical University, Moriguchi City, Osaka, Japan
2. Department of Orthopedic Surgery, Kansai Medical University, Moriguchi City, Osaka, Japan
3. Transplantation Center, Kansai Medical University, Moriguchi City, Osaka, Japan
4. Regeneration Research Center for Intractable Diseases, Kansai Medical University, Moriguchi City, Osaka, Japan
5. Laboratory of Immunobiology, Department of Animal Development and Physiology, Division of Systemic Life Science, Graduate School of Biostudies, Kyoto University, Kyoto, Japan