Received: 4 October 2018
Accepted: 28 November 2019
First Online: 11 December 2019
Ethics approval and consent to participate
: The study was conducted in accordance with the Declaration of Helsinki and Good Clinical Practice guidelines. The trial protocol was reviewed and approved by the regulatory authorities in respective Institutional Review Boards of the medical centers involved. All patients provided written informed consent before enrollment.
: Not applicable.
: The authors declare that they have no competing interests.