1. 1Department of Anesthesiology, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, Texas.
2. 2Department of Surgery, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, Texas.
3. 3Division of Oncology, Department of Internal Medicine, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, Texas.
4. 4Center for Perioperative Medicine, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, Texas.
5. 5Center for Interventional Gastroenterology at UTHealth (iGUT), McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, Texas.