1. Institute of Biomedical SciencesAcademia Sinica Taipei 11529 Taiwan
2. Department of Veterinary MedicineNational Taiwan University Taipei 10617 Taiwan
3. Department of Microbiology and ImmunologyThe University of Texas Medical Branch Galveston TX 77555 USA
4. Department of Medical Laboratories TechnologyJazan University Jazan 45142 Saudi Arabia
5. Department of Neurosciences, Cell Biology & AnatomyThe University of Texas Medical Branch Galveston TX 77555 USA
6. Department of Biochemical Science and TechnologyNational Taiwan University Taipei 10617 Taiwan
7. Institute of Cellular and Organismic BiologyAcademia Sinica Taipei 11529 Taiwan
8. Center for Biodefense and Emerging DiseaseThe University of Texas Medical Branch Galveston TX 77555 USA