Article History
Received: 15 November 2019
Accepted: 7 April 2020
First Online: 29 April 2020
Ethics approval and consent to participate
: Ethical approval for the study was gained from the Joint Institutional Review Board at Taipei Medical University– IRB serial number: No. 201004001 and No. 201205042. The following directives were stated on the front page of the questionnaire for all solicited participants: “You are completely free to refuse to participate in this study and you can decide at any time to stop answering questions. Completing this questionnaire will be considered your consent to participate in this research”.
: Not applicable.
: The authors declare that they have no conflicts of interest.