1. The Medical Centre of Postgraduate Education,
Warsaw, Department of Orthopaedics, Paediatric
Orthopaedics and Traumatology, Gruca Teaching
Hospital, Konarskiego 13, 05-400 Otwock, Poland.
2. University of Illinois College of Medicine, Department
of Orthopaedic Surgery, 835 South Wolcott Avenue, 844
Chicago, Illinois 60612, USA.
3. Center of Biostructure Research Medical
University of Warsaw, Department of Descriptive
and Clinical Anatomy, Chalubinskiego 5, 02-004
Warsaw, Poland.