Orthopaedic Institute of Western Kentucky, Paducah, Kentucky, United States
Spine Institute of Louisiana, Shreveport, Louisiana, United States
Loma Linda University, Loma Linda, California, United States
Georgetown University Hospital, Clinton, Maryland, United States
Spine Institute of Louisiana, Shreveport, Louisiana, United States
Florida Orthopaedic Associates, DeLand, Florida, United States
St. Charles Hospital, Port Jefferson, New York, United States
McLeod Health, Florence, South Carolina, United States
Fletcher-Allen Health Center, Burlington, Vermont, United States