Affiliation: | aNational Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Department of Health and Human Services, Bethesda, MD 20892, USA;bNational Heart Lung and Blood Institute, National Institutes of Health, Department of Health and Human Services, Bethesda, MD 20892, USA;cNational Institute of Neurological Disorders and Stroke and Mouse Imaging Facility, National Institutes of Health, Department of Health and Human Services, Bethesda, MD 20892, USA |