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