Received: 31 March 2020
Accepted: 3 July 2020
First Online: 15 July 2020
Ethics approval and consent to participate
: This was a prospective study involving human subjects treated according to the standard clinical practice. All permissions granted by competent Ethics Committees and other authorities were obtained, and all informed consents required by the existing law and regulations were collected.
: Not applicable.
: The authors declare that they have no competing interests.