“…By 2020, Dr Udey reported being pleased with the frequencies of link access, page views, and downloads of the RTMS articles, and he encouraged their use as teaching tools (Udey and Johnson, 2020). By 2021, we reported a comprehensive analysis of citations and downloads of all 110 articles published to date, noting that some of the original articles have been cited 150-200 times (Johnson et al, 2021). Now it is time for version 4.0 of this decade-long educational series.…”