Liu, Yang
Yang, Jia
Jiang, Panpan
Wang, Shan
Wang, Mingming
Wang, Mayan
Guo, Tiankang
Liu, Jianxiong http://orcid.org/0000-0001-5489-7851
Funding for this research was provided by:
the Key Laboratory of Evidence Based Medicine and KnowledgeTranslation Foundation of Gansu Province (Grant no. GSXZYZH2018006)
Laboratory of Intelligent medical engineering of Gansu Province (Grant no. GSXZYZH2018001)
Article History
Received: 26 July 2019
Accepted: 1 July 2020
First Online: 12 July 2020
Compliance with ethical standards
: The study has been approved by the ethics committee of the Ningxia Medical University and was performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments. Details that might disclose the identity of the subjects under study have been omitted before the analysis. All recruited persons gave their informed consent prior to their inclusion in the study.
: The authors declare that they have no conflicts of interest.
: Informed consent was obtained from all individual participants included in the study.
: The funder had no role in the study design, data collection and analysis, decision to publish, or preparation of the manuscript.
: None.