Kaikaew, Kasiphak
Vivatvakin, Sarocha
Chayanupatkul, Maneerat
Kositanurit, Weerapat
Thanprasertsuk, Sekh
Kulaputana, Onanong http://orcid.org/0000-0003-1701-7127
Article History
Received: 12 August 2020
Accepted: 21 December 2020
First Online: 9 January 2021
Ethics approval and consent to participate
: This study was granted an exemption for full ethical review by the Institutional Review Board of the Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand (COE reference no. 002/2020). Given that the study presented no more than minimal risk, the ethics committee allowed a waiver of signed consent. Participants who gave verbal consent were enrolled in the study.
: Not applicable.
: The authors declare that they have no competing interests.