Doktoravhandlinger Universitetet i Oslo

Karolinska Institutet (KI, Sweden), at the Faculty of Health Sciences (Department of Clinical Research and Department of Regional Health Research), University of Southern

Karin Mohn Engebretsen, CauseHealth, Institute of Health and Society, University of Oslo, Oslo, Norway Emanuele Frontoni, Department of Biomedical Sciences and Public Health,

1 Department of Psychology, University of Minnesota Twin Cities, Minneapolis, Minnesota, USA 2 Department of Public Health Sciences, College of Medicine, Pennsylvania

64 Health Management and Economics Research Center, Iran University of Medical Sciences, Tehran, Iran.. 65 Health Economics Department, Iran University of Medical Sciences,

Department of Biomedical Sciences and Veterinary Public Health, Section of Virology, Swedish University of Agricultural Sciences, Uppsala, Sweden a ; Department of Production

56 Department of Biological Sciences, 57 Center for Human Health and the Environment, North Carolina State University, Raleigh, NC, USA, 58 Telethon Kids Institute, University

Bedømmelseskomité: Berndt Stenberg, Department of Public Health and Clinical Medicine, Umeå University, Sverige, Kjersti Danielsen, Det helsevitenskapelige fakultet, Universitetet

Bedømmelseskomité: Harry Kim, Texas Sco ish Rite Hospital for Children, Dallas, Texas, USA, Yasmin Hailer, Orthopaedics, Department of Surgical Sciences, Uppsala University, Sverige,