Received: 16 August 2020
Accepted: 14 October 2020
First Online: 6 November 2020
Ethics approval and consent to participate
: • Institutional ethical clearance was waived; this study is a retrospective study.• Written consent was obtained from patients or their authorized representatives.• All procedures contributing to this work comply with the ethical standards of the Helsinki Declaration of 1975, as revised in 2008.
: All patients included in this research gave written informed consent to publish the data contained within this study. If the patient was less than 16 years old, deceased, or unconscious when consent for publication was requested, written informed consent for the publication of this data was given by their parent or legal guardian.
: The authors declare that they have no competing interests.