Affiliation: | Department of Animal Health, School of Veterinary Medicine, Azabu University, Fuchinobe, Sagamihara, Kanagawa, Japan;, Center for Medical Sciences, School of Health Sciences, Ibaraki Prefectural University of Health Sciences, Ami, Inashiki, Ibaraki, Japan;, and Department of Infection Biology, Institute of Basic Medical Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan |