Funding for this research was provided by:
Research Grants Council, University Grants Committee (24204818, 14212316, 14207017)
Text and Data Mining valid from 2019-11-13
Received: 10 June 2019
Accepted: 28 October 2019
First Online: 13 November 2019
Compliance with ethical standards
: Philip Waiyan Chiu serves as the scientific advisory board member of Aptorum Co Ltd and scientific advisory board member of EndoMASTER Pte Ltd. Chengzhi SONG, Xin MA, Xianfeng XIA, Charing CN CHONG, and Zheng LI have no conflict of interest or financial ties to disclose.