1 Department of Defense Biotechnology High Performance Computing Software Applications Institute, Telemedicine and Advanced Technology Research Center, US Army Medical Research and Materiel Command, Fort Detrick, MD 21702, USA.
2 Department of Emergency Medicine, Massachusetts General Hospital, Boston, MA 02114, USA.
3 US Army Institute of Surgical Research, Fort Sam Houston, TX 78234, USA.
4 Department of Defense Biotechnology High Performance Computing Software Applications Institute, Telemedicine and Advanced Technology Research Center, US Army Medical Research and Materiel Command, Fort Detrick, MD 21702, USA. Electronic address: jaques.reifman.civ@mail.mil.