Stech, Olga
Veits, Jutta
Abdelwhab, El-Sayed M.
Wessels, Ute
Mettenleiter, Thomas C.
Stech, Jürgen
Article History
Received: 3 February 2015
Accepted: 22 July 2015
First Online: 26 August 2015
Competing interests
: The authors declare no competing financial interests.