Poelking, Carl
Tietze, Max
Elschner, Chris
Olthof, Selina
Hertel, Dirk
Baumeier, Björn
Würthner, Frank
Meerholz, Klaus
Leo, Karl
Andrienko, Denis
Article History
Received: 30 January 2014
Accepted: 5 November 2014
First Online: 22 December 2014
Competing interests
: The authors declare no competing financial interests.