Tremsin, Anton S.
Rakovan, John
Shinohara, Takenao
Kockelmann, Winfried
Losko, Adrian S.
Vogel, Sven C.
Article History
Received: 1 September 2016
Accepted: 9 December 2016
First Online: 19 January 2017
Competing interests
: The authors declare no competing financial interests.