1 Hospital Universitari Sant Joan de Reus, Department of Radiation Oncology, Tarragona, Spain; Consorci Sanitari de Terrassa, Department of Radiation Oncology, Terrassa, Spain. Electronic address: [email protected].
2 Hospital Universitari Parc Taulí, Department of Medical Oncology, Sabadell, Spain.
3 Consorci Sanitari de Terrassa, Department of Radiation Oncology, Terrassa, Spain.
4 Hospital Universitari Sant Joan de Reus, Department of Radiation Oncology, Tarragona, Spain.