Mao, Fei
Han, Bo
Jiang, Diandong
Zhang, Xiaoli
Pang, Tingting
Fan, Youfei http://orcid.org/0000-0003-0172-2446
Funding for this research was provided by:
Natural Science Foundation of Shandong Province (no. ZR2017PH026 and ZR2015PH010)
National Natural Science Foundation of China (no. 81700053)
Article History
First Online: 25 February 2020
Compliance with Ethical Standards
:
: The authors declare that they have no competing interests.
: The study was approved by Shandong Provincial Hospital Research Ethics Committee (No.2017-111). The study was performed in accordance with the Declaration of Helsinki and with the written informed consent of all participants.
: Informed consent was obtained from all individual participants who were included in the study.