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Iyer KK, Roberts JA, Hellström-Westas L, Wikström S, Hansen Pupp I, Ley D, Breakspear M, Vanhatalo S.Iyer KK, et al.Crit Care Med. 2015 Oct;43(10):2219-27. doi: 10.1097/CCM.0000000000001190.Crit Care Med. 2015.PMID: 26154935