University of Maryland Dental School, Baltimore, Maryland, United States
University of Maryland Medical Center, Baltimore, Maryland, United States
University of Maryland, Baltimore, Maryland, United States
Amish Research Clinics, Lancaster, Pennsylvania, United States
Clinical Neurobehavioral Center, Columbia, Maryland, United States
Maryland Psychiatric Research Center (MPRC) Outpatient Research Program (ORP); the MPRC Treatment Research Program (TRP), Catonsville, Maryland, United States
Baltimore VA Medical Center, Baltimore, Maryland, United States
Kernan Hospital, Baltimore, Maryland, United States
University of Maryland, Baltimore Center for Vaccine Development, Baltimore, Maryland, United States