1Department of Orthopaedic Surgery, Stanford University, Stanford, California
2San Carlo Borromeo Hospital, Milan, Italy
3IRCCS Istituto Ortopedico Galeazzi, Milan, Italy
E-mail address for P.F. Indelli: firstname.lastname@example.org
Investigation performed at Palo Alto Veteran Affairs Health Care System (PAVAHCS), Palo Alto, California
Disclosure: The authors indicated that no external funding was received for any aspect of this work. The Disclosure of Potential Conflicts of Interest forms are provided with the online version of the article (http://links.lww.com/JBJSREV/A512).