Erik Hasenboehler1
, Allison Williams1
, Iris Leinhase2
, Steven J Morgan1
, Wade R Smith1
, Ernest E Moore3
and Philip F Stahel1 
1
Department of Orthopaedic Surgery, Denver Health Medical Center, University of Colorado School of Medicine, Denver, CO 80204, USA
2
Department of Trauma and Reconstructive Surgery, Charité University Medical Center, Campus Benjamin Franklin, 12200 Berlin, Germany
3
Department of Surgery, Denver Health Medical Center, University of Colorado School of Medicine, Denver, CO 80204, USA