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Article History

Received: 5 June 2020

Accepted: 7 August 2020

First Online: 18 August 2020

Compliance with ethical standards

:

: None.

: 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 was approved by the institutional review board of Cheng Hsin General Hospital (IRB no. (660)107A-32).

: Informed consent was obtained from all individual participants included in the study.

: Not applicable.