Conflicts of Interest The authors declare no conflicts of interest. Data Availability Statement The data that support the findings of this study are available on request from the corresponding author. The data are not publicly available due to privacy or ethical restrictions. References 1, , and , “Cluster Randomised Controlled Trials,” Journal of Evaluation in Clinical Practice 11, no. 5 (2005): 479–483. 2, “Cluster Randomised Trials,” Medical Journal of Australia 210, no. 4 (2019): 154–156.e1.