Kerns, S Jordan
Agafonov, Roman V
Cho, Young-Jin
Pontiggia, Francesco
Otten, Renee
Pachov, Dimitar V
Kutter, Steffen
Phung, Lien A
Murphy, Padraig N
Thai, Vu
Alber, Tom
Hagan, Michael F
Kern, Dorothee
Article History
Received: 20 October 2014
Accepted: 26 November 2014
First Online: 12 January 2015
Competing interests
: The authors declare no competing financial interests.