Received: 26 April 2019
Accepted: 19 November 2019
First Online: 2 December 2019
Ethics approval and consent to participate
: The two online questionnaires analysed in this paper did not require institutional ethics approval or formal consent to participate due to their anonymous and discretionary nature.
: All survey participants were anonymous and cannot be contacted. Consent for publication not required as publishing the results was explained as a primary purpose for the questionnaire in the introduction and explanatory materials available to participants.
: None to declare.