Published on in Vol 19, No 6 (2017): June
1 Faculty of Health Sciences, Department of Medical and Health Sciences, Linköping University, Linköping, Sweden
2 Department of Computer and Information Science, Linköping University, Linköping, Sweden
3 Department of Behavioural Sciences and Learning, Linköping University, Linköping, Sweden
4 WHO Collaborating Centre for Infectious Disease Epidemiology and Control, School of Public Health, The University of Hong Kong, Hong Kong, China (Hong Kong)
5 Region Östergötland, Center for Health Services Development, Linköping, Sweden
*all authors contributed equally