Funding for this research was provided by:
the National Natural Science Foundation of China (81700181, 81600148)
Text and Data Mining valid from 2018-04-26
Received: 23 November 2017
Accepted: 5 April 2018
First Online: 26 April 2018
Ethics approval and consent to participate
: Not applicable.
: There are no conflicts of interest were declared. The opinions or assertions contained herein are not a reflection of the view of Fresenius Medical Care, Dialysis Centers at Chicago, IL.