1. Department of Critical Care Medicine, Division of Anesthesiology and Critical Care The University of Texas MD Anderson Cancer Center Houston Texas USA
2. Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Intensive Care Unit department Peking University Cancer Hospital & Institute Beijing China
3. Department of Cardiology Aarhus University Hospital Aarhus N Denmark
4. Department of Cardiology The University of Texas MD Anderson Cancer Center Houston Texas USA
5. Department of Biostatistics The University of Texas MD Anderson Cancer Center Houston Texas USA