1. Department of Surgery, Lyndon B. Johnson Hospital, McGovern Medical School at UTHealth, Houston, Texas, USA.
2. Center of Clinical Research and Evidence-Based Medicine, McGovern Medical School at UTHealth, Houston, Texas, USA.
3. Department of Surgery, University of California at San Francisco, San Francisco, California, USA.
4. Department of Surgery, HCA Healthcare Kingwood, University of Houston, Kingwood, Texas, USA.