Colvin, C. J., Garside, R., Wainwright, M., Munthe-Kaas, H., Glenton, C., Bohren, M. A., …Lewin, S. (2018). Applying GRADE-CERQual to qualitative evidence synthesis findings—paper 4: how to assess coherence. Implementation Science, 13(S1), Article 13. https://doi.org/10.1186/s13012-017-0691-8