Fok, Margaret Woon Man http://orcid.org/0000-0002-2262-2850
Fang, Christian Xinshuo
Lau, Tak Wing
Fung, Yin Keung Eric
Fung, Boris Kwok Keung
Leung, Frankie Ka Li
Article History
Received: 26 September 2017
Accepted: 19 January 2018
First Online: 23 February 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This study has received approval from the University of Hong Kong/Hospital Authority Western Cluster Institutional Review Board.All the case illustration, images and figures given do not contain any identifiable patient information.