1 Department of Anesthesiology and Pain Management, UT Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX, 75390-9068, USA. jesse.stewart@utsouthwestern.edu.
2 Department of Orthopedic Surgery, UT Southwestern Medical Center, Dallas, TX, USA.
3 Parkland Health and Hospital System, Dallas, TX, USA.
4 Department of Anesthesiology and Pain Management, UT Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX, 75390-9068, USA.