1Department of Surgery, Macerata Hospital, Italy
2Department of Surgery, John Peter Smith Health Network, Fort Worth, Texas.
3Department of Emergency Surgery, Maggiore Hospital, Parma, Italy
4Department of Infectious Diseases, John Peter Smith Health Network, Fort Worth, Texas.
5Department of Surgery, Papa XXIII Hospital, Bergamo, Italy.
6Department of Surgery, McGovern Medical School, University of Texas Health Science Center, Houston, Texas.
7Department of Biomedical Sciences and Public Health, Unit of Hygiene, Preventive Medicine and Public Health, UNIVPM, Ancona, Italy
8Department of Surgery, Vanderbilt University Medical Center, Nashville, Tennessee
9Department of Surgery, Section of Acute and Critical Care Surgery, Washington University School of Medicine, St. Louis, Missouri.