1. College of Medicine, Texas A&M University Health Science Center, Temple, Texas
2. Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology, Baylor Scott & White Medical Center – Temple, Temple, Texas
3. Biostatistics Core, Baylor Scott & White Research Institute, Temple, Texas
4. Department of Anesthesiology, Baylor Scott & White Medical Center – Temple, Temple, Texas