Author Contributions
Patrick Ip is the Principal Investigator of the Collaborative Research
Fund, the funding source of this study. Patrick Ip, Hing Wai Tsang, and
Gilbert T Chua contributed to the study conception and research design.
Mike Kwan, Kelvin To, Wilfred Wong, and Wing Hang Leung contributed to
the data collection and analysis. Patrick Ip, Hing Wai Tsang, Gilbert T
Chua, Yu Lung Lau, WW Tu, and Janette Kwok contributed to the data
interpretation. Hing Wai Tsang, Xiwei Wang and Yanmei Zhang contributed
to the experimental sample preparation and processing. Hing Wai Tsang
and Gilbert T Chua drafted the manuscript and all co-authors commented
and contributed to the revisions and final manuscript.