Funding for this research was provided by:
National Institutes of Health R01 grant (AR049439–01A1)
Research Grants Council Earmarked Grant (CUHK4101/02 M)
Article History
Received: 20 October 2017
Accepted: 20 April 2018
First Online: 17 May 2018
Compliance with ethical standards
:
: None.
: All procedures performed in the studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Informed consent was obtained from all individual participants included in the study.