- Correspondence to Anita I R Spanjer, Department of Molecular Pharmacology, University of Groningen, Antonius Deusinglaan 1, Groningen 9713 AV, The Netherlands;
- Received February 19, 2015
- Revised November 24, 2015
- Accepted December 21, 2015
- First published January 21, 2016.
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- Data supplement 1 - Online supplement
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