1 K. A. Furlough, Research Fellow, Department of Surgery and Perioperative Care, Dell Medical School at The University of Texas at Austin, Austin, TX, USA.
2 Vietta L. Johnson, Orthopaedic Surgeon, St. Bernard Hospital Orthopaedics and Wound Care Clinic Chicago, IL, USA.
3 K. J. Bozic, Chair, Department of Surgery and Perioperative Care, Dell Medical School at The University of Texas at Austin, Austin, TX, USA.