1. Department of Emergency Medicine The University of Texas MD Anderson Cancer Center Houston Texas USA
2. Department of Emergency Medicine Virginia Commonwealth University Richmond Virginia USA
3. Department of Emergency Medicine Allegheny General Hospital/Allegheny Health Network Pittsburgh Pennsylvania USA
4. Department of Emergency Medicine Indiana University Indianapolis Indiana USA
5. Department of Biostatistics The University of Texas MD Anderson Cancer Center Houston Texas USA
6. ProPharma Group Raleigh North Carolina USA
7. Department of Emergency Medicine The Ohio State University Wexner Medical Center Columbus Ohio USA