1National Institute of Animal Health, National Agriculture and Food Research Organization, 3-1-5 Kannondai, Tsukuba, Ibaraki 305-0856, Japan
2Communicable Diseases Policy Research Group, Department of Global Health and Development, Faculty of Public Health and Policy, London School of Hygiene and Tropical Medicine, United Kingdom
3National Institute for Environmental Studies, 16-2 Onogawa, Tsukuba, Ibaraki 305-8506, Japan
4World Fusion Co., Ltd., 1-38-12 Nihonbashi Kakigara-cho, Yusho-kaikann 2F, Chuo-ku, Tokyo, 103-0014, Japan