Choojaturo, Siriwan http://orcid.org/0000-0002-4655-4733
Sindhu, Siriorn
Utriyaprasit, Ketsarin
Viwatwongkasem, Chukiat
Article History
Received: 17 May 2018
Accepted: 20 August 2019
First Online: 11 October 2019
Ethics approval and consent to participate
: Ethical approval for the study was obtained from the Mahidol University Institutional Review Board (MU-IRB) (Ref. no. IRB-NS-2015/22.0303). Written informed consent was obtained from all study participants.
: Not applicable.
: The authors declare that they have no competing interests.