1 Department of Health Science and Technology, Aalborg University, Aalborg, Denmark.
2 Department of Physiotherapy, University College of Northern Denmark, Aalborg, Denmark.
3 Center for Neuroplasticity and Pain (CNAP), Aalborg University, Aalborg, Denmark.
4 Center of Precision Rehabilitation for Spinal Pain, School of Sport, Exercise and Rehabilitation Sciences, University of Birmingham, Birmingham, United Kingdom.
5 Centre for Clinical Research, North Denmark Regional Hospital, Hjoerring, Denmark.
6 Department of Health Science and Technology, Sport Sciences-Performance and Technology, Faculty of Medicine, Aalborg University, Aalborg, Denmark.