1Department of Bone and Joint Diseases, Center of Bone Diseases, Lausanne University Hospital, Lausanne, Switzerland
2Biophysics Laboratory, University Victor Segalen, Bordeaux, France
3Department of Radiology, University Hospital, Bordeaux, France
4INSERM U831, Lyon University Hospital, Lyon, France
5Med-Imaps, Biomedical technology center, Xavier Arnozan Hospital, Bordeaux University Hospital, Pessac, France