1. HELIOS ENDO-Klinik Hamburg and University
Medical Centre Hamburg-Eppendorf, Orthopaedic
Surgery, Holstenstr. 2, 22767 Hamburg, Germany.
2. HELIOS ENDO-Klinik Hamburg, Orthopaedic
Surgery, Holstenstr. 2, 22767
Hamburg, Germany.
3. Royal National Orthopaedic Hospital, Brockley
Hill, Stanmore, Middlesex
HA7 4LP, UK.
4. University Medical Center Hamburg-Eppendorf, Department
of Trauma-, Hand- and Reconstructive Surgery, Martinistr.
52, 20246 Hamburg, Germany.