1. Veterinary Pathobiology, Nihon University College of Bioresource Sciences, 1866 Kameino, Fujisawa, Kanagawa 252–0880, Japan
2. Veterinary Radiology, Nihon University College of Bioresource Sciences, 1866 Kameino, Fujisawa, Kanagawa 252–0880, Japan
3. Division of Veterinary Respiratory Medicine, Animal Medical Center, Nihon University College of Bioresource Sciences, Kameino, Fujisawa, Kanagawa 252–0880, Japan
4. Teikyo University Institute of Medical Mycology, 539 Otsuka, Hachioji, Tokyo 192–0395, Japan