1. Department of Immunology, Mie University Graduate School of Medicine, Tsu 514-8507, Japan
2. Central Institute for Experimental Animals, Kawasaki 210-0821, Japan
3. Department of Diabetes, Metabolism and Endocrinology, Mie University Graduate School of Medicine, Tsu 514-8507, Japan
4. Department of Pulmonary and Critical Care Medicine, Mie University Graduate School of Medicine, Tsu 514-8507, Japan