1 International Degree Program in Animal Vaccine Technology, International College, National Pingtung University of Science and Technology, Pingtung, 91201, Taiwan.
2 Graduate Institute of Animal Vaccine Technology, College of Veterinary Medicine, National Pingtung University of Science and Technology, Pingtung, 91201, Taiwan.
3 International Degree Program in Animal Vaccine Technology, International College, National Pingtung University of Science and Technology, Pingtung, 91201, Taiwan. chenglt@mail.npust.edu.tw.
4 Graduate Institute of Animal Vaccine Technology, College of Veterinary Medicine, National Pingtung University of Science and Technology, Pingtung, 91201, Taiwan. chenglt@mail.npust.edu.tw.