The Data Availability statement for this paper is incorrect. The correct statement is: Data are available from Dryad Digital Repository: http://dx.doi.org/10.5061/dryad.fc40s. The Publisher apologizes for this error.
Authors: Ina Peiker; Till R Schneider; Elizabeth Milne; Daniel Schöttle; Kai Vogeley; Alexander Münchau; Odette Schunke; Markus Siegel; Andreas K Engel; Nicole David Journal: PLoS One Date: 2015-07-06 Impact factor: 3.240