Kompauer, Mario
Heiles, Sven
Spengler, Bernhard
Article History
Received: 31 March 2016
Accepted: 28 September 2016
First Online: 14 November 2016
Competing interests
: B.S. is a consultant of TransMIT GmbH Giessen. The PhD work of M.K. is funded by TransMIT GmbH.