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. First Department of Internal Medicine, Kansai Medical University, Moriguchi City, Osaka, Japan
4. First Department of Surgery, Kansai Medical University, Moriguchi City, Osaka, Japan
5. Transplantation Center, Kansai Medical University, Moriguchi City, Osaka, Japan