Braam, Daniel
Kushida, Soh
Niemöller, Robert
Prinz, Günther M.
Saito, Hitoshi
Kanbara, Takaki
Kuwabara, Junpei
Yamamoto, Yohei
Lorke, Axel
Article History
Received: 2 July 2015
Accepted: 14 December 2015
First Online: 19 January 2016
Competing interests
: The authors declare no competing financial interests.