Arizona Heart Hospital, Phoenix, Arizona, United States
Phoenix Baptist Hospital, Phoenix, Arizona, United States
University of Miami, Department of Surgery, Div. of Vascular Surgery, Miami, Florida, United States
York Teaching Hospital, York, United Kingdom
Ostomy Care & Supply Centre, New Westminster, British Columbia, Canada
Burke Pharmaceutical Research, Hot Springs, Arkansas, United States
St. Louis Medical, Fenton, Missouri, United States
Mark Drug Medical Supply, Wheeling, Illinois, United States
Shepherd Center and Crawford Research Institute, Atlanta, Georgia, United States
Restored Images, Kansas City, Missouri, United States