Yoowannakul, Suree
Tangvoraphonkchai, Kamonwan
Davenport, Andrew
Article History
Received: 11 February 2019
Accepted: 4 April 2019
First Online: 23 April 2019
Ethics approval and consent to participate
: This retrospective audit was approved by the Royal Free Hospital and complied with the UK National Health Service (NHS) guidelines for clinical audit and service development and met with the approval from the Health Research Authority (HRA). In keeping with the UK guidelines, all patient data were anonymised prior to analysis (ExternalRef removed).
: All authors agreed on the publication of this study.
: The authors declare that they have no competing interests.
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