Addresses three cost questions that commonly arise in multinational trials: (1) In countries where investigators plan to collect hospital unit cost estimates for a selected set of diagnoses, how should one estimate unit costs for the remaining diagnoses observed in the trial for which cost data...

This introduction offers a context for the articles in this thematic series by providing an overview of the programs that provide cash and in-kind supports to people with disabilities in the United States, summarizes the increasing reliance on these programs, and describes the challenges...