Peter C Chimenti1, John C Elfar, Brian D Giordano. 1. Department of Orthopaedic Surgery, University of Rochester Medical Center, 601 Elmwood Avenue, Box 665, Rochester, NY 14642. Peter_Chimenti@urmc.rochester.edu. John_Elfar@urmc.rochester.edu. Brian_Giordano@urmc.rochester.edu.