1. Laboratory of Immunobiology, Department of Molecular and Applied Bioscience, Graduate School of Biosphere Science, Hiroshima University, 1–4–4 Kagamiyama, Higashi-Hiroshima, Hiroshima 739–8528, Japan
2. Department of Clinical Pathology, Faculty of Veterinary Medicine, Kafrelsheikh University, 33516 Elgiesh Street, Kafr Elsheikh, Egypt