(1)LMU University Hospital Grosshadern, Department of Radiation Oncology, Munich, Germany;(2)LMU Ludwig-Maximilians-University, Department of Pathology, Munich, Germany;(3)LMU University Hospital Innenstadt, Department of Pneumology, Munich, Germany;(4)University Wuerzburg, Department of Pathology, Wuerzburg, Germany;

¹Sapienza University, Physics, Roma, Italy; ²Istituto Nazionale di Fisica Nucleare (INFN), Roma 1, Roma, Italy; ³A.O. San Camillo-Forlanini - Hospital, Fisica Sanitaria, Roma, Italy

¹Azienda Ospedaliero-Universitaria Careggi, Radiation Oncology Unit, Florence, Italy; ²IFCA, Department of Medical Physics, Radiation Oncology, Florence, Italy; ³Azienda Ospedaliera Universitaria Careggi, Radiation Oncology Unit, Florence, Italy

(1)Fondazione Policlinico Universitario A. Gemelli IRCCS - Università Cattolica Sacro Cuore, KBO Labs, Rome, Italy;(2)Fondazione Policlinico Universitario A. Gemelli IRCCS - Università Cattolica Sacro Cuore, Radiotherapy, Rome, Italy;

(1)Tomsk Polytechnic University, Research School of High-Energy Physics, Tomsk, Russian Federation;(2)Tomsk Polytechnic University, School of Nuclear Science & Engineering, Tomsk, Russian Federation;(3)Moscow City Oncological Hospital No. 62, the 1st Radiological Department, Moscow, Russian Federation;(4)Cancer Research Institute of Tomsk National Research Medical Center of the Russian Academy of Sciences, Radiotherapy Department, Tomsk, Russian Federation;

(1)University of Sao Paulo, Radiology and Oncology, Sao Paulo, Brazil;(2)Instituto do Cancer do Estado de Sao Paulo - icesp, Radiotherapy, Sao Paulo, Brazil;

(1)City of Hope Medical Center, Department of Radiation Oncology, Duarte- CA, USA;