Zhao, Lujie
Sun, Ying
Wang, Wei
Wang, Liang
Li, Chaolin
Funding for this research was provided by:
Yantai Science and Technology Project (2019YD012)
Medical health and Scientific Research Foundation of Shandong Province (2018WS028)
Article History
Received: 20 November 2020
Accepted: 26 June 2021
First Online: 21 July 2021
Declarations
: This study was approved by the local ethics committee at Yantai Yuhuangding Hospital and all participants provided the written informed consents. This research conforms to the latest revision of the Declaration of Helsinki.
: The study complied with the principles of the Declaration of Helsinki, and the protocol was approved by the Medical Ethics Committee of Yantai Yuhuangding Hospital, Shandong, China. The purposes and procedures of the study were explained to patients before blood sampling.
: The authors declare that there are no conflicts of interest.