Hauck, I.
Erbe, C.
Nowak, J.
Hermanns, I.
Ditchen, D.
Ellegast, R.
Oremek, G.
Groneberg, D. A.
Ohlendorf, D.
Article History
Received: 7 February 2018
Accepted: 30 July 2018
First Online: 5 September 2018
Conflict of interest
: I. Hauck, C. Erbe, J. Nowak, I. Hermanns, D. Ditchen, R. Ellegast, G. Oremek, D.A. Groneberg and D. Ohlendorf declare that they have no competing interests.