Funding for this research was provided by:
National Natural Science Foundation of China (81472925, 81673112)
National Institutes of Health (D43TW009107, R01GM109068, R01AR059781, R01MH107354, R01AR057049, P20 GM109036, R01MH104680)
the Key projects of international cooperation among governments in scientific and technological innovation (2016YFE0119100)
the Natural Science Basic Research Plan in Shaanxi Province of China (2017JZ024)
Received: 8 September 2019
Accepted: 17 February 2020
First Online: 27 February 2020
Ethics approval and consent to participate
: This study was approved by the Institutional Review Board of Xi’an Jiaotong University and University of Missouri-Kansas City. Signed informed-consent documents were obtained from all study participants before entering the study.
: Not applicable.
: The authors report no financial interests or potential conflicts of interest.