Liu, Li
Aleksandrowicz, Ewa
Schönsiegel, Frank
Gröner, Daniel
Bauer, Nathalie
Nwaeburu, Clifford C
Zhao, Zhefu
Gladkich, Jury
Hoppe-Tichy, Torsten
Yefenof, Eitan
Hackert, Thilo
Strobel, Oliver
Herr, Ingrid
Article History
Received: 20 July 2017
Revised: 4 August 2017
Accepted: 9 August 2017
First Online: 5 October 2017
Competing interests
: The authors declare no conflict of interest.