Trends in alcohol consumption in middle-aged and older adults, assessed with self-report and the alcohol marker phosphatidylethanol – A longitudinal HUNT study - Kjerstin Tevik; Ragnhild Bergene Skråstad; Jūratė Šaltytė Benth; Geir Selbæk; Sverre Bergh; Olav Spigset; Steinar Krokstad; Anne-Sofie Helvik (PLoS ONE, 2025)