Han, Yue
Cheng, Hai
Shao, Shihong
Lang, Yanhua
Zhao, Xiangzhong
Lin, Yi
Wang, Sai
Shi, Xiaomeng
Liu, Zhiying
Shao, Leping
Article History
Received: 21 August 2019
Accepted: 2 December 2019
First Online: 13 December 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures were in accordance with the ethical standards of the institutional and national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.