Funding for this research was provided by:
Natural Science Basic Research Program of Shaanxi (No. 2019JM-569)
Institutional Foundation of the First Affiliated Hospital of Xi’an Jiaotong University (No. 2019ZYTS-03)
Article History
Received: 17 December 2019
Accepted: 24 May 2020
First Online: 1 June 2020
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of The First Affiliated Hospital of Medical College of Xi’an Jiaotong University. All participants gave written informed consent according to the procedures.
: Not applicable.
: The authors declare that they have no competing interests.