Affiliation: | (1) University of Iowa, 200 Hawkins Drive, UIHC, 01029 JPP, Iowa City, IA 52242, USA;(2) VA Medical Center, Iowa City, IA, USA;(3) Rush University Medical Center, Chicago, IL, USA;(4) Des Moines Orthopaedic Surgeons, West Des Moines, IA, USA;(5) Washington University-St Louis, St Louis, MO, USA;(6) Stanford University, Palo Alto, CA, USA |