Waldecker, Lutz
Miller, Timothy A.
Rudé, Miquel
Bertoni, Roman
Osmond, Johann
Pruneri, Valerio
Simpson, Robert E.
Ernstorfer, Ralph
Wall, Simon
Article History
Received: 3 March 2015
Accepted: 22 June 2015
First Online: 27 July 2015
Competing interests
: The authors declare no competing financial interests.