Funding for this research was provided by:
Phyathai 2 hospital (240,000 baht)
Received: 13 October 2019
Accepted: 13 January 2020
First Online: 10 February 2020
Ethics approval and consent to participate
: The study was approved by the Phyathai 2 hospital ethics committee and all participants provided written informed consent (IRB-R 002–2561).
: The patients consented to the publication of their data in this study.
: The authors declare that they have no competing interests.