Qu, Yaqi
Chen, Yujia
Zhang, Le
Tian, Lifei
Article History
Received: 15 May 2020
Accepted: 24 August 2020
First Online: 3 September 2020
Ethics approval and consent to participate
: The authors are accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved. This study complied with the Declaration of Helsinki and was approved by the Ethics Committees of Shaanxi Provincial People’s Hospital.
: The authors have no interest in ethical, legal, and financial conflicts related to the article. All authors read and approved the manuscript to publish.
: All the authors declare that they have no competing interests.