Cohort profile: the Norwegian Registry of Persons Assessed for Cognitive Symptoms (NorCog) – a national research and quality registry with a biomaterial collection
Ingrid Tøndel Medbøen, Karin Persson, Marit Nåvik, Torunn Holm Totland, Sverre Bergh, Cathrine Selnes Treviño, Ingun Ulstein, Knut Engedal, Anne-Brita Knapskog, Anne Brækhus, Anne Rita Øksengård, Peter Otto Horndalsveen, Ingvild Saltvedt, Anne Liv Lyngroth, Anette Hylen Ranhoff, Dagny Bekkeheien Skrettingland, Mala Naik, Jelena Zugic Soares, Bente Johnsen, Geir Selbaek
BMJ Open Sep 2022, 12 (9) e058810; DOI: 10.1136/bmjopen-2021-058810