1 Department of Physical Medicine and Rehabilitation, Universitair Ziekenhuis Brussel, Brussels, Belgium. lina.vanbrabander@uzbrussel.be.
2 Department of Physical Medicine and Rehabilitation, AZ Sint-Maarten, Mechelen, Belgium.
3 Department of Physical Medicine and Rehabilitation, Universitair Ziekenhuis Brussel, Brussels, Belgium; Faculty of Medicine and Pharmacy, Vrije Universiteit Brussel, Brussels, Belgium; Stimulus Research Group, Vrije Universiteit Brussel, Brussels, Belgium.
4 Department of Radiology, AZ Glorieux, Ronse, Belgium.