Correction to: Clinical and organizational factors associated with mortality during the peak of first COVID-19 wave: the global UNITE-COVID study

Massimiliano Greco, Thomas De Corte, Ari Ercole, Massimo Antonelli, Élie Azoulay, Giuseppe Citerio, Andrew Conway Morris, Gennaro De Pascale, František Duška, Paul Elbers, Sharon Einav, Lui G. Forni, Laurą Galarza, Armand R. J. Girbes, Giacomo Grasselli, V. G. Gusarov, Alasdair Jubb, Jozef Kesecioğlu, Andrea Lavinio, M.C. Martín Delgado, Johannes Mellinghoff, Sheila Nainan Myatra, Marlies Ostermann, Mariangela Pellegrini, Pedro Póvoa, Stefan J. Schaller, Jean–Louis Teboul, Adrian Wong, Jan J. 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