Multimedia Appendix Correction: A Computer-Assisted Personal Interview App in Research Electronic Data Capture for Administering Time Trade-off Surveys (REDCap): Development and Pretest.
Mark OremusAnis SharafoddiniGian Paolo MorganoXuejing JinFeng XiePublished in: JMIR formative research (2018)
[This corrects the article DOI: 10.2196/formative.8202.].