1 Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Campusvej 55, 5230, Odense M, Denmark. jhartvigsen@health.sdu.dk.
2 Nordic Institute of Chiropractic and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark. jhartvigsen@health.sdu.dk.
3 Faculty of Rehabilitation Medicine, University of Alberts, Edmonton, Canada.
4 AECC University College, Bournemouth, UK.
5 Faculty of Medicine, Memorial University of Newfoundland, NL, St. John's, Canada.
6 Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden.
7 Department of Chiropractic, Macquarie University, Sydney, Australia.
8 Division of Research and Innovation, Canadian Memorial Chiropractic College, Toronto, Canada.
9 Department of Chiropractic, Université du Québec à Trois-Rivières, Trois-Rivières, Québec, Canada.
10 School of Psychology, University of Southampton, Southampton, UK.
11 Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Campusvej 55, 5230, Odense M, Denmark.
12 Research Institute, Parker University, Dallas, TX, USA.
13 Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Hong Kong, Hong Kong.
14 School of Public Health, University of Technology Sydney, Sydney, Australia.