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Article History

Received: 3 June 2018

Accepted: 7 December 2018

First Online: 18 December 2018

Ethics approval and consent to participate

: The study was conducted with an approval by the Institutional Review Board (IRB) of Chi-Mei Medical Center, Taiwan. The IRB waived the mandate for obtaining a written informed consent from subjects. Participants were provided with an information sheet which detailed relevant information about the study, potential benefits and risks of participation in this study, the opportunity and means to ask questions, and also the options regarding voluntary agreement to participate in this study. Verbal consent was then requested prior to commencement of the survey. This study was provided as an anonymous survey of adults over the age of 20 for which no personal, identifiable information was collected.

: The manuscript does not contain any individual’s data in any form.

: The authors declare that they have no competing interests.

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