1. National Naval Medical Center, Bethesda, Maryland, USA;
2. Centers for Disease Control and Prevention, Atlanta, Georgia, USA;
3. Harwell Productions, Inc., Shreveport, Louisiana, USA;
4. Evets Management Services, Inc., Shreveport, Louisiana, USA;
5. Johns Hopkins University Medical Institutions, Baltimore, Maryland, USA;Defense Threat Reduction Agency, Fort Belvoir, Virginia, USA