Northwestern Memorial Hospital, Chicago, Illinois, United States
University of Michigan Medical School, Ann Arbor, Michigan, United States
University of Minnesota Medical School, Minneapolis, Minnesota, United States
Virginia Heartburn and Hernia Institute, Lorton, Virginia, United States
Foot and Ankle Institute, Saint George, Utah, United States
Foot Associates of New York, New York, New York, United States
ILD Research, Carlsbad, California, United States
Carolinas Healthcare System, Charlotte, North Carolina, United States
Cleveland Clinic, Cleveland, Ohio, United States
Virginia Heartburn and Hernia Institute, Lorton, Virginia, United States
Sarasota Memorial Hospital, Sarasota, Florida, United States
Penn State Hershey Medical Center, Hershey, Pennsylvania, United States
University of Kentucky, Lexington, Kentucky, United States