Funding for this research was provided by:
Faculty of Medicine Siriraj Hospital, Mahidol University
Ministry of Public Health Thailand
Received: 11 November 2020
Accepted: 23 December 2020
First Online: 9 January 2021
Ethics approval and consent to participate
: All methods were carried out in accordance with relevant guidelines and regulations. The trial was approved by the Ethics Committee of the Faculty of Medicine Siriraj Hospital Mahidol University (number Si126/2010, dated 2 March 2010). Written informed consent was obtained from all study participants.
: Consent for publication was obtained from all study participants by signing the informed consent form prior to enrollment.
: The authors declare that they have no competing interests.