Zhao, Wen H.
Zhang, Li X.
Liu, Chan X.
Niedermann, Karin
Yang, Han Z.
Luo, Wen
Article History
Received: 19 October 2018
Revised: 7 January 2019
Accepted: 10 February 2019
First Online: 10 April 2019
Compliance with ethical standards
:
: None.
: 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.
: This is an Open Access article distributed in accordance with the terms of the Creative Commons Attribution (CC BY 4.0) license, which permits others to distribute, remix, adapt, and build upon this work, for commercial use, provided the original work is properly cited. See ExternalRef removed