Affiliation: | 1. Public Health and Epidemiology Group, Department of Health Science and Technology, Faculty of Medicine, Aalborg University, Niels Jernes Vej 12 , 9220, Aalborg ?st, Denmark;2. Department of Clinical Epidemiology, Aalborg University Hospital, 9000, Aalborg, Denmark;3. Public Health and Epidemiology Group, Department of Health Science and Technology, Faculty of Medicine, Aalborg University, Aalborg University, 9220, Aalborg ?st, Denmark;4. SMI, Department of Health Science and Technology, Faculty of Medicine, Aalborg University, 9220, Aalborg ?st, Denmark;5. Public Health and Epidemiology Group, Department of Health Science and Technology, Faculty of Medicine, Aalborg University, 9220, Aalborg ?st, Denmark;6. Public Health and Epidemiology Group, Department of Health Science and Technology, Faculty of Medicine, Aalborg University, Niels Jernes Vej 12, 9220, Aalborg ?st, Denmark |