1. Department of Radiation Oncology, European Georges-Pompidou Hospital,
Paris Descartes University, Paris, France,1
2. Department of Radiation Oncology,2
3. Department of Biostatistics,3
4. Curie Institute, Paris, France, CNRS UMR GATE 5824, Léon Bérard Center,
Lyon, France,4
5. Department of Radiation Oncology, Sainte Catherine Institute,
Avignon, France,5
6. Department of Radiation Oncology, Léon Bérard Center,
Lyon, France6