Bastiaan Sallevelt

129 Conversion of STOPP/START version 2 into coded algorithms Declarations Authors’ contributions Authorship eligibility is based on the four ICMJE authorship criteria. All authors certify that they have participated sufficiently in the work to take public responsibility for the content. Study concept and design: DdG, MM, RvM, CH, BS. Data acquisition, analysis and/or interpretation of data: DdG, CD, MM (preparation panel), MB, JvC, JH, AV, RvM (expert panel), BS, CH (validation panel). Drafting the manuscript: CH. Revising the manuscript critically for important intellectual content: all authors. We have not received substantial contributions from non-authors. Competing interests The author(s) declare that they have no competing interests. Data availability statement All supplementary data mentioned in this article is available online under a Creative Commons Attribution 4.0 license. The algorithms have been made available for download as a single spreadsheet. Additional file formats and data structures (including XML, JSON, and separate Excel spreadsheets for each criterion), which allow for easier implementation into software applications, are also available under a Creative Commons Attribution 4.0 license on request. Ethics approval Not applicable. Funding No funding was received for conducting this study. Informed consent Not applicable. Trial registration Not applicable. 2