1. Emeritus Professor, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
2. Visiting Professor, Univeristy of Tsukuba, 1-1-1 Tennodai, Tsukuba 305-8575, Japan
3. Chief, Health, Environment, Science, and Technology International Consulting (HESTIC), 5-9-8 Toyotama-kita, Nerima-ku, Tokyo 176-0012, Japan