Affiliation: | aCenter for Vaccine Development, University of Maryland School of Medicine, Baltimore, Maryland, USA;bGroup Health Research Institute, Seattle, Washington, USA;cVanderbilt Vaccine Research Program, Vanderbilt University School of Medicine, Nashville, Tennessee, USA;dBaylor College of Medicine, Houston, Texas, USA;eEMMES Corporation, Rockville, Maryland, USA;fSouthern Research, Birmingham, Alabama, USA |