1. School of Medicine, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA
2. Department of Surgery, Texas Tech University Health Sciences Center, Amarillo, TX 79106, USA
3. Women’s Healthcare Associates, Obstetrics and Gynecology, Amarillo, TX 79106, USA
4. Department of Internal Medicine, Texas Tech University Health Sciences Center, Amarillo, TX 79106, USA