Herrmann, Lars O.
Valev, Ventsislav K.
Tserkezis, Christos
Barnard, Jonathan S.
Kasera, Setu
Scherman, Oren A.
Aizpurua, Javier
Baumberg, Jeremy J.
Article History
Received: 31 January 2014
Accepted: 1 July 2014
First Online: 28 July 2014
Competing interests
: The authors declare no competing financial interests.