Funding for this research was provided by:
National Natural Science Foundation of China (81170525, 81470348)
Received: 5 December 2018
Accepted: 14 May 2019
First Online: 22 May 2019
Ethics approval and consent to participate
: This study adhered to the principles of the Declaration of Helsinki. All the participants provided written informed consent. This study was approved by the Ethics Committee of Tongji Medical College, Huazhong University of Science and Technology (IORG No: IORG0003571).
: Not applicable.
: The authors declare that they have no competing interests.
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