1. Department of Internal Medicine, Baylor Scott and White All Saints Medical Center, Fort Worth, Texas, USA
2. Department of Intensive Care Medicine, Baylor Scott and White All Saints Medical Center, Fort Worth, Texas, USA
3. Baylor Scott and White Heart and Vascular Hospital – Fort Worth, Baylor Scott and White All Saints Medical Center, Fort Worth, Texas, USA
4. Burnett School of Medicine, Texas Christian University, Fort Worth, Texas, USA