Received: 15 April 2020
Accepted: 11 June 2020
First Online: 16 June 2020
Ethics approval and consent to participate
: This study was reviewed and approved by the Ethics Committee of the National Medical Research Register (NMRR) using the following code NMRR-18-1093-41211.
: Patients were not required to give informed consent in this study as the analysis used anonymous clinical data that were obtained once patients agreed to treatment with written consent.
: The authors declared that they have no competing interests.