1 Division of Surgical Oncology, Department of Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania. Electronic address: nassour.ibrahim@gmail.com.
2 Department of Surgery, University of Texas Southwestern Medical Center, Dallas, Texas.
3 Department of Surgery, Massachusetts General Hospital, Boston, Massachusetts.
4 Division of Cardiac Surgery, Department of Cardiothoracic Surgery, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania.
5 Department of Surgery, Mayo Clinic, Rochester, Minnesota.
6 Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland.
7 Division of Surgical Oncology, Department of Surgery, Vanderbilt University, Nashville, Tennessee.
8 Department of Surgery, Montefiore Medical Center/Albert Einstein College of Medicine, Bronx, New York.
9 Department of Surgery, University of Arkansas for Medical Sciences, Little Rock, Arkansas.
10 Department of Surgery, University of Missouri, Columbia, Missouri.
11 Department of Surgery, City of Hope National Medical Center, Duarte, California.
12 Department of Surgery, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania.