1. Department of Surgery, Oregon Health & Science University, Portland
2. Department of Surgery, Virginia Mason Medical Center, Seattle, Washington
3. Division of Plastic and Reconstructive Surgery, Department of Surgery, Stanford University, Palo Alto, California
4. VA Puget Sound Health Care System–American Lake Division, Tacoma, Washington
5. Division of Plastic and Reconstructive Surgery, Department of Surgery, Oregon Health & Science University, Portland
6. Operative Care Division, Portland VA Medical Center, Portland, Oregon
7. Division of Plastic and Reconstructive Surgery, Department of Surgery, University of California Davis, Sacramento