1. Department of Emergency Medicine University of California San Francisco California USA
2. A.T. Still University School of Osteopathic Medicine in Arizona Mesa Arizona USA
3. Touro University of California College of Osteopathic Medicine Vallejo California USA
4. Department of Statistics, Graduate Group of Biostatistics University of California Davis Health Sacramento California USA
5. Department of Emergency Medicine University of California Davis California USA
6. Department of Pathology and Laboratory Medicine University of California Davis Health Sacramento California USA