1 Division of Critical Care, Department of Anesthesiology, Mayo Clinic, Rochester, MN; Multidisciplinary Epidemiologic and Translational Research in Intensive Care (METRIC) group, Mayo Clinic, Rochester, MN. Electronic address: keegan.mark@mayo.edu.
2 Division of Pulmonary and Critical Care, Department of Medicine, Mayo Clinic, Rochester, MN; Multidisciplinary Epidemiologic and Translational Research in Intensive Care (METRIC) group, Mayo Clinic, Rochester, MN.