Article History
Received: 11 November 2018
Accepted: 16 September 2019
First Online: 30 October 2019
Ethics approval and consent to participate
: The study protocol was reviewed and approved by our institutional review board, approval number KUH1260028. According to the study protocol, anonymous clinical or public data was used without the need for consent in the interest of public health.
: Not applicable.
: The authors declare that they have no competing interests.