Easton, A C
Lourdusamy, A
Havranek, M
Mizuno, K
Solati, J
Golub, Y
Clarke, T-K
Vallada, H
Laranjeira, R
Desrivières, S
Moll, G H
Mössner, R
Kornhuber, J
Schumann, G
Giese, K P
Fernandes, C
Quednow, B B
Müller, C P
Article History
Received: 2 May 2014
Revised: 18 July 2014
Accepted: 21 August 2014
First Online: 7 October 2014
Competing interests
: The authors declare no conflict of interest.