1. Department of Pathology and Veterinary Public Health, Agronomic and Veterinary Institute Hassan II, BP 6202, Rabat-Instituts, Rabat 10101, Morocco
2. Department of Research and Development, Multi-Chemical Industry Santé Animale, P.O. Box 278, Mohammedia 28810, Morocco
3. Institute of Thematic Research Specialized in Medical, Food and Environmental Biotechnology of Benslimane, Hassan II University of Casablanca (UH2C), Casablanca 20670, Morocco
4. School of Natural Sciences, Laurentian University, Sudbury, ON P3E 2C6, Canada; and the Northern Ontario School of Medicine University, Sudbury, ON P3E 5Z6, Canada