Jensen, S, Højgaard, D R M A, Hybel, K A, Lykke Mortensen, E, Nissen, J B, Skarphedinsson, G, Ivarsson, T, Weidle, B, Melin, K, Torp, N C, Dahl, K, Valderhaug, R, Lenhard, F, Carlsen, A H, Compton, S N & Thomsen, P H 2023, ' Distinct Long-term OCD Symptom Severity Trajectories, Related Predictors, and Quality of Life over Three Years ', 20th International Congress of the European Society for Child and Adolescent Psychiatry, Copenhagen, Denmark, 29/06/2023-01/07/2023 .