Visser, L., Bol, N., Hillen, M., Verdam, M., de Haes, H., Van Weert, J., & Smets, E. (2018). Studying medical communication with video vignettes: a randomized study on how variations in video-vignette introduction format and camera focus influence analogue patients’ engagement. BMC Medical Research Methodology, 18(1), 15. https://doi.org/10.1186/s12874-018-0472-3 (Original work published 2018)