Amstutz, A., Schandelmaier, S., Frei, R., Surina, J., Agarwal, A., Alturki, R., von Niederhäusern, B., von Elm, E., Briel, M. and on behalf of the MAking Randomized Trials Affordable (MARTA) Group 2018. Funding characteristics of randomised clinical trials supported by the Swiss National Science Foundation: a retrospective cohort study. Swiss Medical Weekly. 148, 0304 (Jan. 2018), w14587. DOI:https://doi.org/10.4414/smw.2018.14587.