Funding for this research was provided by:
National Natural Science Foundation of China ((# 81772259)
Text and Data Mining valid from 2018-11-26
Received: 31 August 2018
Revised: 28 October 2018
Accepted: 13 November 2018
First Online: 26 November 2018
Compliance with ethical standards
: The study was approved by the ethics committee of Tianjin Medical University (TMUHMEC2017008). The sera involved in our research were from healthy individuals. Informed consent was obtained from all human participants.
: The authors declare that they have no conflicts of interest.