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Article History

Received: 11 December 2017

Accepted: 24 April 2018

First Online: 30 May 2018

Ethics approval and consent to participate

: The audit and secondary analysis of this dataset was in keeping with national guidelines as stipulated by Singapore Ministry of Health under the Private Hospitals and Medical Clinics Act that requires licensed healthcare establishments to evaluate internal quality improvement procedures on a continuing basis. Ethical approval was obtained by the Singhealth Centralised Institutional Review Board for the study in Changi General Hospital as well as St. Andrews Community Hospital. No patients were contacted for the study, and the need for a written consent was formally waived by the ethics committee.

: The authors declare that they have no competing interests.

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