Zeng, Lingyuan
Wang, Yongrong
He, Dongdong
He, Yao
Wang, Yuze
Wei, Xiaochun
Article History
Received: 25 December 2019
Accepted: 8 April 2020
First Online: 16 April 2020
Ethics approval and consent to participate
: This study was conducted according to the declaration of Helsinki. This study was conducted with the approval from the Ethics Committee of The Second Hospital of Shanxi Medical University. Written informed consent was obtained from all participants.
: Consent for publication was obtained from every individual whose data are included in this manuscript.
: All authors have contributed significantly to the manuscript and declare that the work is original and has not been submitted or published elsewhere. None of the authors has any financial disclosure or conflict of interest.