1 Department of Rehabilitation Sciences & Physiotherapy, Antwerp Multidisciplinary Metabolic Research Unit (AM2RUN), University of Antwerp, Antwerp B-2000, Belgium. Electronic address: eric.vanbreda@uantwerpen.be.
2 Department of Rehabilitation Sciences & Physiotherapy, Antwerp Multidisciplinary Metabolic Research Unit (AM2RUN), University of Antwerp, Antwerp B-2000, Belgium.