1. INSERM U-1088; Amiens France
2. Department of Paediatric Orthopaedic Surgery; Jules Verne University of Picardie and Amiens University Medical Centre; Amiens France
3. Bone Biology and Endocrine Division; Jules Verne University of Picardie and Amiens University Medical Centre; Amiens France
4. Biochemistry Division; Jules Verne University of Picardie and Amiens University Medical Centre; Amiens France