Text and Data Mining valid from 2019-07-12
Received: 6 October 2018
Accepted: 3 July 2019
First Online: 12 July 2019
Ethics approval and consent to participate
: This study adhered to the tenets of the Declaration of Helsinki. This study was approved by our Institutional Review Board and a written consent was obtained from each patient.
: Not applicable.
: The authors declare that they have no competing interests.