University of Michigan at Ann Arbor - Department of Health Management and Policy, University of Michigan at Ann Arbor, University of Michigan at Ann Arbor, University of Michigan at Ann Arbor, Government of the United States of America - Centers for Disease Control and Prevention (CDC), Centers for Disease Control and Prevention (Dominican Republic), Centers for Disease Control and Prevention, Government of the United States of America - Centers for Disease Control and Prevention (CDC), Government of the United States of America - Centers for Disease Control and Prevention (CDC), Government of the United States of America - Centers for Disease Control and Prevention (CDC), Government of the United States of America - National Center for Immunization and Respiratory Diseases, Government of the United States of America - Centers for Disease Control and Prevention (CDC) and Government of the United States of America - Centers for Disease Control and Prevention (CDC)