1. a National Centre for Work and Rehabilitation, Department of Medical Health Sciences , Linköping University , Linköping, Sweden
2. b Futurum , Jönköping , Sweden
3. c Department of Occupational and Environmental Medicine , Lund University , Lund, Sweden
4. d MedTech West/School of Engineering , University of Borås , Borås, Sweden
5. e Occupational and Environmental Medicine, Department of Public Health and Community Medicine , The Sahlgrenska Academy at University of Gothenburg , Gothenburg, Sweden
6. f Department of Work Science , University of Gothenburg , Gothenburg, Sweden