1. Department of Pathobiology; Nihon University School of Veterinary Medicine; Fujisawa Kanagawa 252-8510 Japan
2. Department of Dermatology; St. Marianna University School of Medicine; Kawasaki Kanagawa 216-8511 Japan
3. DSMZ-Deutsche Sammlung von Mikroorganismen und Zellkulturen; Mascheroder; Weg, 1b, D-38124 Braunschweig Germany