1. Department of Orthopedic Surgery, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
2. Department of Clinical Immunology, Faculty of Medical Sciences, Kyushu University, Fukuoka, Japan
3. Clinical Research Center, Kyushu Medical Center, Fukuoka, Japan
4. Division of Mucosal Immunology, Research Center for Systems Immunology, Medical Institute of Bioregulation, Kyushu University, Fukuoka, Japan