aun lor center for global health, centers for disease control and prevention, atlanta, ga, usa james c. thomas gilllings school of global public health, university of north carolina, chapel hill, nc, usa drue h. barrett office of science integrity, office of the associate director for science, centers for disease control and prevention, atlanta, ga, usa leonard w. ortmann office of science integrity, office of the associate director for science, centers for disease control and prevention, atlanta, ga, usa dionisio j. herrera guibert training programs in epidemiology and public health interventions network, task force for global health inc., atlanta, ga, usa