1 Amsterdam UMC, Vrije Universiteit Amsterdam, Department of Public and Occupational Health, Amsterdam Public Health research institute, Amsterdam, Netherlands p.coenen@amsterdamumc.nl.
2 Amsterdam UMC, Vrije Universiteit Amsterdam, Department of Public and Occupational Health, Amsterdam Public Health research institute, Amsterdam, Netherlands.
3 National Research Centre for the Working Environment, Copenhagen, Denmark.
4 Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark.
5 Department of Environmental Health Sciences and Department of Epidemiology, School of Public Health, University of California Los Angeles, Los Angeles, CA, USA.
6 School of Physiotherapy and Exercise Science, Curtin University, Perth, Western Australia, Australia.