Received: 6 February 2021
Accepted: 1 September 2021
First Online: 15 September 2021
: Recipients were provided with a disclosure letter detailing the intent of the survey and explicit instructions that, should they choose not to complete the survey, they could provide this decision by fax or email to avoid further requests. Therefore, informed consent was implied if the questions were answered by the participants. The Hamilton Integrated Research Ethics Board granted approval of our survey in 2010 (project no. 10–305), and for re-administration of our survey in 2019 (project no. 7355).
: Not applicable.
: The authors declare that they have no competing interests.