1. Rubin Institute for Advanced Orthopedics; Center for Joint Preservation and Reconstruction; Sinai Hospital of Baltimore; 2401 West Belvedere Ave. Baltimore Maryland
2. Seton Hall University of Health and Medical Sciences; Department of Orthopaedic Surgery; 400 South Orange Ave South Orange Village New Jersey
3. Department of Orthopaedics; Union Memorial Hospital; Baltimore Maryland
4. Bonutti Clinic; Effingham Illinois