An error was introduced in the funding information. Correction text below:
An error was introduced in the funding information during the preparation of this article for publication. The correct funding information is as follows: This work was supported by a grant from the Hertie Foundation to RS and TMR, by grants from the German Competence Network 'Degenerative Dementias' (01GI1005B) and the Fritz Thyssen Foundation (grant 10.12.1.192) to TMR and a grant from the Center for Clinical Research (IKFZ) Tübingen (grant 170-0-0) to RS. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.
Footnotes
No competing interests declared.
