Article History
Accepted: 18 February 2020
First Online: 4 March 2020
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed were in accordance with the ethical standards of the National Health Advisory Committee’s Ethical Guidelines for Observational Studies and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Written informed consent was given by the patient for investigation and publication.