Corrigendum: Antiviral and Immunomodulatory Effects of Pelargonium sidoides DC. Root Extract EPs® 7630 in SARS-CoV-2-Infected Human Lung Cells - Papies, Jan; Emanuel, Jackson; Heinemann, Nicolas; Kulić, Žarko; Schroeder, Simon; Tenner, Beate; Lehner, Martin D.; Seifert, Georg; Müller, Marcel A. (Frontiers in Pharmacology, 2021)