1. Dipartimento di Elettronica; Informazione e Bioingegneria, Politecnico di Milano; Milano Italy
2. CREATIS, CNRS UMR 5220, INSERM U1044, Université Lyon 1, INSA-Lyon; Villeurbanne France
3. Department of Radiotherapy; Centre Léon Bérard; Lyon France
4. Bioengineering Unit, CNAO Foundation; Pavia Italy