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Portmann L, de Kraker MEA, Fröhlich G, Thiabaud A, Roelens M, Schreiber PW, Troillet N, Iten A, Widmer A, Harbarth S, Sommerstein R; CH-SUR study group.Portmann L, et al.JAMA Netw Open. 2023 Feb 1;6(2):e2255599. doi: 10.1001/jamanetworkopen.2022.55599.JAMA Netw Open. 2023.PMID: 36790812Free PMC article.