1. Central Research Laboratories, Zeria Pharmaceutical Co. Ltd, 2512-1 Oshikiri, Kohnan-machi, Ohsato-gun, Saitama 360-0111, Japan
2. Department of Immunotherapeutics, Graduate School, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo 113-8519, Japan