Norwegian University of Science and Technology (NTNU) - Department of Clinical and Molecular Medicine (IKOM), Trondheim University Hospital - Center for Health Care Improvement, Norwegian University of Science and Technology (NTNU) - Department of Clinical and Molecular Medicine (IKOM), Norwegian University of Science and Technology (NTNU) - Department of Clinical and Molecular Medicine (IKOM), Trondheim University Hospital - Center for Health Care Improvement, University of Oslo, Norwegian University of Science and Technology and Norwegian University of Science and Technology (NTNU) - Department of Clinical and Molecular Medicine (IKOM)