Affiliation: | aImmunization Services Division, National Immunization Program, Centers for Disease Control and Prevention, Atlanta, GA;bDivision of Healthcare Quality Promotion, National Center for Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, GA;cDivision of Adult and Community Health, National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention, Atlanta, GA;dZynx Health Inc., Los Angeles, CA;eOklahoma Foundation for Medical Quality, Oklahoma City, OK |