Mahawongkajit, Prasit
Techagumpuch, Ajjana
Article History
Received: 27 November 2019
Accepted: 1 April 2020
First Online: 9 April 2020
Compliance with Ethical Standards:
:
: Prasit Mahawongkajit, Ajjana Techagumpuch declare no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. This study passed the ethical research process from Human Ethics Committee of Thammasat University (Faculty of Medicine) with reference number; MTU-EC-SU-0-165/62. Informed consent: Informed consent was obtained from all individual participants included in the study.