Hoffmann, U.
Moore, A. D. Jr.
Koschate, J.
Drescher, U.
Funding for this research was provided by:
Deutsches Zentrum für Luft- und Raumfahrt (50WB0726)
Article History
Received: 12 July 2015
Accepted: 11 November 2015
First Online: 10 December 2015
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.