[1] CHUV, Serv Radiooncol, Dept Radiat Oncol, CH-1011 Lausanne, Switzerland
[2] Istanbul Univ, Cerrahpasa Fac Med, Dept Radiat Oncol, Istanbul, Turkey
[3] CHUV, Dept Orthopaed Surg, CH-1011 Lausanne, Switzerland
[4] CRLC Val Aurelle Paul Lamarque, Dept Oncol Radiotherapy, Montpellier, France
[5] CHUV, Dept Radiol, CH-1011 Lausanne, Switzerland
[6] CHUV, Dept Pathol, CH-1011 Lausanne, Switzerland