1Rehabilitation Innovation Centre, Health and Rehabilitation Research Institute, Auckland University of Technology, Private Bag 92006, Auckland 1142, New Zealand
2Centre for Chiropractic Research, New Zealand College of Chiropractic, PO Box 113–044, Newmarket, Auckland 1149, New Zealand
3Department of Sport Science, Sports Research Centre, Miguel Hernandez University of Elche, Avda. de la Universidad s/n, Elche 03202, Spain
4Institute for Health and Biomedical Research (ISABIAL Foundation), Avda. Pintor Baeza, 12 HGUA, Alicante 03550, Spain
5Centre for Sensory-Motor Interaction (SMI), Department of Health Science and Technology, Aalborg University, 9220 Aalborg, Denmark