- Correspondence to Redmar J Berduszek, University of Groningen, University Medical Center Groningen, Department of Rehabilitation Medicine. Hanzeplein 1, 9713 GZ,Groningen, The Netherlands;
- Received February 14, 2017
- Revised May 19, 2017
- Accepted May 30, 2017
- First published July 8, 2017.
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