Received: 17 January 2020
Accepted: 19 May 2020
First Online: 2 June 2020
Ethics approval and consent to participate
: This study was conducted on already available data. To prevent patient identification, the data used did not contain any personal information. The study was approved by the Research Ethics Committee of UVic-UCC (ref. no. 63/2018), following the national regulatory framework on clinical research. Based on sample size and absence of personal information in the dataset used for analysis, the Ethics Committee determined that a written informed consent from each patient was unnecessary.
: Not applicable.
: The authors declare that they have no competing interests.