Funding for this research was provided by:
Mahidol University (RF_59014)
Received: 31 October 2018
Accepted: 26 June 2019
First Online: 5 July 2019
Change Date: 1 August 2019
Change Type: Correction
Change Details: Following publication of the original article.
Ethics approval and consent to participate
: The study was reviewed and approved by the Institutional Review Board of the Faculty of Medicine, Ramathibodi Hospital, Mahidol University (IRB no.08–58-42). All participants were informed, both verbally and in writing and consented to complete the questionnaire and interview.
: All participants were informed All participants were informed, both verbally and in writing and consented for publication.
: The authors declare that they have no competing interests.