1. Pittsburgh Trauma Research Center and the Department of SurgeryUniversity of Pittsburgh Pittsburgh Pennsylvania USA
2. University of Pittsburgh School of Medicine Pittsburgh Pennsylvania USA
3. Division of Hematology/Oncology, Department of MedicineUniversity of Pittsburgh Pittsburgh Pennsylvania USA
4. Department of Emergency MedicineUniversity of Pittsburgh Pittsburgh Pennsylvania USA
5. Department of PathologyUniversity of North Carolina–Chapel Hill Chapel Hill North Carolina USA
6. Department of PathologyUniversity of New Mexico Albuquerque New Mexico USA