Funding for this research was provided by:
Science and Technology Program Guangdong, China (2016A020215096)
National Key R&D Program of China (2015CB964600, 2017YFA 0104100)
Text and Data Mining valid from 2019-01-25
Received: 25 July 2018
Revised: 8 November 2018
Accepted: 3 January 2019
First Online: 25 January 2019
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: All applicable international, national, and/or institutional guidelines for the care and use of animals were followed. All procedures performed in 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.