Tian, Jia http://orcid.org/0000-0003-0677-6646
Wagner, Till
Hoevenaren, Inge
Wesselius, Tycho
Verhulst, Arico
Ulrich, Dietmar
Article History
Received: 11 August 2017
Accepted: 6 December 2017
First Online: 22 December 2017
Compliance with ethical standards
:
: Jia Tian, Till Wagner, Inge Hoevenaren, Tycho Wesselius, Arico Verhulst, and Dietmar Ulrich declare that they have no conflict of interest.
: This research received no specific grant from any funding agency in the public, commercial, or not-for-profit sectors.