1. Infectious Disease Service, Department of Medicine, Brooke Army Medical Center , Fort Sam Houston, TX 78234, USA
2. Department of Medicine, Uniformed Services University of the Health Sciences , Bethesda, MD 20814, USA
3. Pulmonary & Critical Care Medicine Service, Department of Medicine, Brooke Army Medical Center , San Antonio, TX 78234, USA
4. Department of Trauma and Surgical Critical Care, Brooke Army Medical Center , Fort Sam Houston, TX 78234, USA
5. Neurology Service, Department of Medicine, Brooke Army Medical Center , Fort Sam Houston, TX 78234, USA
6. Department of Neurology, Uniformed Services University of the Health Sciences , Bethesda, MD 20814, USA
7. Department of Emergency Medicine, Brooke Army Medical Center , Fort Sam Houston, TX 78234, USA
8. Urology Service, Department of Surgery, Brooke Army Medical Center , Fort Sam Houston, TX 78234, USA
9. Department of Surgery, Uniformed Services University of the Health Sciences , Bethesda, MD 20814, USA
10. San Antonio Uniformed Services Health Education Consortium , Fort Sam Houston, TX 78234, USA