[1] Univ Genoa, Inst Anat, Dept Expt Med, DIMES, I-16132 Genoa, Italy
[2] Med Univ Innsbruck, Dept Diagnost Radiol, A-6020 Innsbruck, Austria
[3] Oxford Radcliffe Hosp, Dept Radiol, Oxford, England
[4] CHU Lille, Hop Roger Salengro, Serv Radiol Osteoarticulaire, F-59037 Lille, France
[5] Royal Liverpool Univ Hosp, Dept Radiol, Liverpool L7 8XP, Merseyside, England
[6] GildhOj Private Hosp, Dept Musculoskeletal Radiol, DK-2605 Brondby, Denmark
[7] Leeds Teaching Hosp, Leeds LS7 4SA, W Yorkshire, England
[8] Leeds MSK Res Unit Leeds, Leeds LS7 4SA, W Yorkshire, England
[9] Hop Cochin, Serv Radiol B, F-75014 Paris, France
[10] Nuffield Orthopaed Ctr, Oxford OX3 7LD, England
[11] Univ Oxford, Oxford OX3 7LD, England
[12] Leeds Teaching Hosp Trust, Dept Clin Radiol, Gen Infirm, Leeds LS1 3EX, W Yorkshire, England
[13] Hop Iris Sud Moliere Longchamp, Dept Radiol, B-1190 Brussels, Belgium
[14] Leiden Univ, Med Ctr C3Q, NL-2300 RC Leiden, Netherlands
[15] IRCCS Policlin San Donato, Radiol Unit, I-20097 Milan, Italy
[16] Osped Evangelico Int, I-16122 Genoa, Italy
[17] Nuffield Orthopaed Ctr NHS Trust, Oxford OX3 7LD, England
[18] Univ Genoa, Cattedra R Radiol DICMI, I-16132 Genoa, Italy