Kannan, Ruben Y.
Hardwicke, J.
Article History
Received: 28 November 2016
Accepted: 25 September 2017
First Online: 10 October 2017
Compliance with ethical standards
:
: None.
: Ruben Yap Kannan, J. Hardwicke declare that they have no conflict of interest.
: For this kind of retrospective study formal consent from a local ethics committee is not required.
: Patient provided written consent before their inclusion in this study.