Text and Data Mining valid from 2020-05-01
Received: 13 December 2019
Accepted: 20 April 2020
First Online: 1 May 2020
Ethics approval and consent to participate
: This study was approved by the Clinical Research Ethics Committee of the Catholic Medical Center (approval number: XC140IMI0070).
: Not applicable.
: The authors declare that they have no competing interests.