1 Research and Development Office, Northport Veterans Affairs Medical Center, 79 Middleville Rd (151), Bldg 62/Rm 125, Northport, NY 11768. Electronic address: annie.shroyer@va.gov.
2 Department of Surgery, Veterans Affairs Boston Healthcare System, West Roxbury, Massachusetts.
3 Department of Medicine, Rocky Mountain Regional Veterans Affairs Medical Center, Aurora, Colorado.