Maximiano Sousa F, Roelens M, Friker B, Thiabaud A, Iten A, Cusini A, Flury D, Buettcher M, Zucol F, Balmelli C, Zimmermann P, Troillet N, Vuichard-Gysin D, Schreiber PW, Bernhard-Stirnemann S, Tschudin-Sutter S, Nussbaumer-Ochsner Y, Sommerstein R, Gaudenz R, Marschall J, Senn L, Gardiol C, Keiser O, Schüpbach G, Wymann M, Vidondo B. Risk factors for severe outcomes for COVID-19 patients hospitalised in Switzerland during the first pandemic wave, February to August 2020: prospective observational cohort study. Swiss Med Wkly [Internet]. 2021 Jul. 28 [cited 2024 Jul. 17];151(2930):w20547. Available from: https://smw.ch/index.php/smw/article/view/3041