1. Department of Orthopaedics, University of Illinois at Chicago, Chicago, Illinois, USA.
2. Chair and Department of Traumatology, Department of Orthopaedics, and Department of Surgery of the Hand, Poznan University of Medical Sciences, Poznan, Poland.
3. Department of Anesthesiology, Department of Intensive Therapy, and Department of Pain Management, Poznan University of Medical Sciences, Poznan, Poland.