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The Physical Therapy Department, Vrije Universiteit Brussel, Laarbeeklaan 101, 1090 Brussels, Belgium
The Biometrics and Biomechanical Department, Vrije Universiteit, Pleinlaan 2, 1050 Brussels, Belgium
Received 1 October 2008 published online 05 January 2009.
PII: S1466-853X(08)00129-6
doi:10.1016/j.ptsp.2008.10.001
© 2008 Elsevier Ltd. All rights reserved.
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