Introduction: The likelihood of a child participating in a clinical trial is mostly independent of the child's willingness to participate; children's lack of autonomy obliges parental involvement, which is concurrently conditional to parental understanding, trust and endorsement of the research study. Objectives: To identify potential predictors…

The "Morbidity and Mortality Weekly Report" ("MMWR") Series is prepared by the Centers for Disease Control and Prevention (CDC). Data in the weekly "MMWR" are provisional, based on weekly reports to CDC by state health departments. This issue of "MMWR" contains the following studies: (1) Youth Risk Behavior…