Meng, You
Liu, Chen-Lu
Cai, Qing
Shen, Yu-Ying
Chen, Shuang-Qing http://orcid.org/0000-0002-1504-4773
Article History
Received: 16 April 2018
Accepted: 23 August 2018
First Online: 6 September 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki declaration and its later amendments.
: Informed consent was obtained from all individual participants included in the study.