Weimann, Steffen
Perez-Leija, Armando
Lebugle, Maxime
Keil, Robert
Tichy, Malte
Gräfe, Markus
Heilmann, René
Nolte, Stefan
Moya-Cessa, Hector http://orcid.org/0000-0003-1444-0261
Weihs, Gregor http://orcid.org/0000-0003-2260-3008
Christodoulides, Demetrios N.
Szameit, Alexander
Article History
Received: 15 July 2015
Accepted: 15 February 2016
First Online: 23 March 2016
Competing interests
: The authors declare no competing financial interests.