Mak, Siu-ka
Sin, Ho-kwan
Lo, Kin-yee
Lo, Man-wai
Chan, Shuk-fan
Lo, Kwok-chi
Wong, Yuk-yi
Ho, Lo-yi
Wong, Ping-nam
Wong, Andrew K. M.
Article History
Received: 2 February 2015
Accepted: 23 November 2016
First Online: 12 January 2017
Compliance with ethical standards
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the hospital research ethics committee (approval number KW/EX-13-077) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards
: None.
: Informed consent was obtained from all individual participants included in the study.
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