1. Department of Emergency Medicine, Baylor & Scott White All Saints Medical Center, 1400 8th Ave., Fort Worth, TX 76104, USA
2. Department of Emergency Medicine, The Valley Health System, Touro University Nevada School of Osteopathic Medicine, 657 N. Town Center Drive, Las Vegas, NV 89144, USA
3. Department of Emergency Medicine, JPS Health Network, 1500 S. Main St., Fort Worth, TX 76104, USA