Wilming, Niklas
Onat, Selim
Ossandón, José P.
Açık, Alper
Kietzmann, Tim C.
Kaspar, Kai
Gameiro, Ricardo R.
Vormberg, Alexandra
König, Peter
Article History
Received: 3 August 2016
Accepted: 15 November 2016
First Online: 31 January 2017
Competing interests
: The authors declare no competing financial interests.