| Cody A Chastain | Department of Medicine Vanderbilt University Medical Center Nashville Tennessee USA. |
| Cathy A Jenkins | Department of Biostatistics Vanderbilt University Medical Center Nashville Tennessee USA. |
| Ian Jones | Department of Emergency Medicine Vanderbilt University Medical Center Nashville Tennessee USA. |
| Wesley H Self | Department of Emergency Medicine and Vanderbilt Institute for Clinical and Translational Research Vanderbilt University Medical Center Nashville Tennessee USA. |