Adam E. M. Eltorai, PhD, is an orthopaedic research fellow at the Brown University Warren Alpert Medical School. Alan H. Daniels, MD, is an assistant professor of orthopaedic surgery at the Brown University Warren Alpert Medical School. Derek R. Jenkins, MD, is an assistant professor of orthopaedic surgery at the Brown University Warren Alpert Medical School. Lee E. Rubin, MD, is an associate professor of orthopaedics and rehabilitation at the Yale University School of Medicine, where he serves as co-chief of the Division of Adult Reconstruction and chief of the Yale-New Haven Hospital Total Joint Replacement Program.