1. Department of Obstetrics and Gynecology Division of Basic Science and Translational Research University of Texas Medical Branch Galveston Texas USA
2. Department of Preventive Medicine and Population Health University of Texas Medical Branch‐Galveston Galveston Texas USA
3. Comparative Immunogenetics Laboratory Department of Veterinary Pathobiology College of Veterinary Medicine and Biomedical Sciences Texas A&M University College Station Texas USA
4. Department of Microbial Pathogenesis and Immunology College of Medicine Texas A&M University College Station Texas USA
5. Department of Epidemiology and Biostatistics College of Public Health Temple University Philadelphia Pennsylvania USA
6. Department of Animal Science Texas A&M University College Station Texas USA