Hönig, Gerald
Callsen, Gordon
Schliwa, Andrei
Kalinowski, Stefan
Kindel, Christian
Kako, Satoshi
Arakawa, Yasuhiko
Bimberg, Dieter
Hoffmann, Axel
Article History
Received: 10 June 2014
Accepted: 31 October 2014
First Online: 16 December 2014
Competing interests
: The authors declare no competing financial interests.