1. Department of Medicine, Walter Reed National Military Medical Center , Bethesda, MD 20889, USA
2. Department of Pediatrics, Walter Reed National Military Medical Center , Bethesda, MD 20889, USA
3. Department of Obstetrics and Gynecology, Walter Reed National Military Medical Center , Bethesda, MD 20889, USA
4. American Red Cross, Walter Reed National Military Medical Center , Bethesda, MD 20889, USA
5. Department of Nutrition Services, Walter Reed National Military Medical Center , Bethesda, MD 20889, USA
6. Department of Patient Administration, Walter Reed National Military Medical Center , Bethesda, MD 20889, USA