The NORDeHEALTH 2022 patient survey : cross-sectional study of national patient portal users in Norway, Sweden, Finland, and EstoniaHägglund, Maria; Kharko, Anna; Hagström, Josefin; Bärkås, Annika; Blease, Charlotte; Cajander, Åsa; DesRoches, Catherine; Fagerlund, Asbjørn Johansen; Haage, Barbara; Huvila, Isto; Hörhammer, Iiris; Kane, Bridget; Klein, Gunnar O.; Kristiansen, Eli; Luks, Kerli; Ross, Peeter; Soone, HedvigJournal of Medical Internet Research2023 / art. e47573 https://doi.org/10.2196/47573 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS