Marius M Scarlat1,2, Marko Pećina3,4, Andrew Quaile3,5. 1. Clinique Chirurgicale St Michel, Toulon, France. mscarlat@gmail.com. 2. International Orthopaedics - SICOT Official Journal, Brussels, Belgium. mscarlat@gmail.com. 3. International Orthopaedics - SICOT Official Journal, Brussels, Belgium. 4. Department of Orthopaedic Surgery, School of Medicine University of Zagreb, Zagreb, Croatia. 5. FRCS, Spineworks, London, UK.