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Krause N, Riemann-Lorenz K, Steffen T, Rahn AC, Pöttgen J, Stellmann JP, Köpke S, Friede T, Icks A, Vomhof M, Temmes H, van de Loo M, Gold SM, Heesen C.Krause N, et al. Among authors: heesen c.BMJ Open. 2021 Feb 16;11(2):e041720. doi: 10.1136/bmjopen-2020-041720.BMJ Open. 2021.PMID: 33593774Free PMC article.