Hong, Xin
Shi, Rui
Wang, Yun-Tao
Liu, Lei
Bao, Jun-Ping
Wu, Xiao-Tao
Article History
First Online: 31 August 2018
Compliance with ethical guidelines
:
: X. Hong, R. Shi, Y.-T. Wang, L. Liu, J.-P. Bao and X.-T. Wu declare that they have no competing interests.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or 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.