Article History
Received: 13 May 2020
Accepted: 31 August 2020
First Online: 8 September 2020
Ethics approval and consent to participate
: No ethics approval is needed in view of audit nature of the study. This complies with local ethics committee from the HAHK that no formal ethical approval was required for a clinical audit.Since this is a clinical audit, only the medical records of the recruited cases within the Clinical Management System (CMS) of the HAHK were reviewed, that their clinical management was not affected, neither verbal nor written consent to participate in the study or to publish the study is required, according to regulations of Research Ethics Committee of KCC of HAHK.
: Not applicable.
: All authors have declared no conflicts of interest.