Research Article Genetic associations with temporal shifts in obesity and severe obesity during the obesity epidemic in Norway: A longitudinal population-based cohort (the HUNT Study) Maria Brandkvist , Roles Conceptualization, Funding acquisition, Methodology, Supervision, Validation, Writing – review & editing Affiliations Department of Public Health and Nursing, NTNU, Norwegian University of Science and Technology, Trondheim, Norway, Faculty of Nursing and Health Sciences, Nord University, Levanger, Norway Roles Supervision, Validation, Writing – review & editing Affiliations Children’s Clinic, St. Olavs Hospital, Trondheim University Hospital, Trondheim, Norway, Obesity Centre, St. Olavs Hospital, Trondheim University Hospital, Trondheim, Norway, Department of Clinical and Molecular Medicine, NTNU, Norwegian University of Science and Technology, Trondheim, Norway