This study used electronic mail to contact participants and distribute the survey. Before email,
researchers undertaking a Delphi study used posted mail surveys to contact participants and collect
feedback [28]. Email provides a faster method of communication than regular mail, but recent
developments in social media and other online platforms could provide an even more user-friendly
approach. Participant attrition was an issue in this study, and an exploration of other methods of
delivering a Delphi survey is recommended.