1Trauma Research, Swedish Medical Center, Englewood, Colorado, USA
2St. Anthony Hospital, Lakewood, Colorado, USA
3Penrose-St. Francis Health Services, Colorado Springs, Colorado, USA
4Radiology, Wesley Medical Center Trauma Services, Wichita, Kansas, USA
5Trauma Services, Research Medical Center, Kansas City, Missouri, USA
6Medical Center of Plano, Plano, Texas, USA