1. Department of Biological Sciences; College of Arts and Sciences; Central Luzon State University; Science City of Muñoz Nueva Ecija Philippines
2. Animal Health Unit; Philippine Carabao Center National Headquarters and Gene Pool; Science City of Muñoz Nueva Ecija Philippines
3. Laboratory of Infectious Diseases; Department of Disease Control; Graduate School of Veterinary Medicine; Hokkaido University; Sapporo Hokkaido Japan
4. Department of Animal Science; College of Agriculture; Central Luzon State University; Science City of Muñoz Nueva Ecija Philippines