1. Department of Respiratory Medicine; The Second Affiliated Hospital, Dalian Medical University; Dalian China
2. Department of Respiratory Medicine; The North Area of Suzhou Municipal Hospital; Suzhou China
3. Department of Oncology; The Second Affiliated Hospital, Dalian Medical University; Dalian China
4. Department of Pharmacy; The Second Affiliated Hospital, Dalian Medical University; Dalian China
5. Department of Intensive Care Unit; People's Hospital of Liaoning Provincial; Shenyang China
6. Department of Medicine, Division of Hematology Oncology; Medical School of University of California at Los Angeles; Los Angeles 90095 California