Han, Yue
Zhao, Xiangzhong
Wang, Sai
Wang, Cui
Tian, Dongxu
Lang, Yanhua
Bottillo, Irene
Wang, Xinsheng
Shao, Leping
Article History
Received: 8 November 2018
Accepted: 28 January 2019
First Online: 21 February 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.