1. Laboratory of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
2. Vision Vets Group Lab, #201 Naeshiro Bldg., 1-24-6 Komagome, Toshima-ku, Tokyo 170-0003, Japan