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Article History

Received: 19 September 2019

Accepted: 24 November 2019

First Online: 16 December 2019

Compliance with Ethical Standards

:

: The authors declare that they have no conflicts of interest.

: All procedures performed in this study were in accordance with the ethical standards of the Institutional Review Board of Bhumibol Adulyadej Hospital (IRB No 57/62) and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.

: Informed consent was obtained from all patients.