1. Allergy/Immunology Service, Wilford Hall Ambulatory Surgical Center, Lackland Air Force Base, San Antonio, TX, USA
2. Joint Trauma System, United States Army Institute of Surgical Research, San Antonio Military Medical Center, Fort Sam Houston, San Antonio, TX, USA
3. Infectious Disease Service, Mike O’Callaghan Federal Hospital, Nellis AFB, NV, USA
4. Infectious Disease Service, San Antonio Military Medical Center, Fort Sam Houston, San Antonio, TX, USA