¹Beatson West of Scotland Cancer Centre, Clinical Oncology, Glasgow, United Kingdom; ²University of Glasgow, Institute of Cancer Sciences, Glasgow, United Kingdom; ³Beatson West of Scotland Cancer Centre, Therapy Radiography, Glasgow, United Kingdom; ⁴Glasgow Experimental Cancer Medicine Centre, Clinical Research Facility, Glasgow, United Kingdom; ⁵University of Glasgow, Institute of Cancer Sciences , Glasgow, United Kingdom; ⁶University of Glasgow, CRUK Clinical Trials Unit, Glasgow, United Kingdom; ⁷University of Glasgow, Institute of Cancer Sciences, Glasgow, United Kingdom

(1)FUDAN UNIVERSITY SHANGHAI CANCER CENTER, THORACIC RADIATION ONCOLOGY, SHANGHAI, CHINA;(2)TENON UNIVERSITY HOSPITAL- HÔPITAUX UNIVERSITAIRES EST PARISIEN- SORBONNE UNIVERSITY, RADIATION ONCOLOGY, PARIS, FRANCE;(3)JIANGSU CANCER HOSPITAL-THE AFFILIATED CANCER HOSPITAL OF NANJING MEDICAL UNIVERSITY, RADIATION ONCOLOGY, NANJING, CHINA;(4)AFFILIATED HOSPITAL OF JIANGNAN UNIVERSITY, RADIATION ONCOLOGY, WUXI, CHINA;(5)ZHENJIANG FIRST PEOPLE’S HOSPITAL AFFILIATED TO JIANGSU UNIVERSITY, RADIATION ONCOLOGY, ZHENJIANG, CHINA;(6)THE FIRST AFFILIATED HOSPITAL OF XIAMEN UNIVERSITY, RADIATION ONCOLOGY, XIAMEN, CHINA;(7)FUDAN UNIVERSITY SHANGHAI CANCER CENTER MINHANG BRANCH HOSPITAL, RADIATION ONCOLOGY, SHANGHAI, CHINA;(8)FUJIAN CANCER HOSPITAL- FUJIAN MEDICAL UNIVERSITY CANCER HOSPITAL, RADIATION ONCOLOGY, FUZHOU, CHINA;

(1)AZIENDA OSPEDALIERO-UNIVERSITARIA DI MODENA, ONCOLOGY DEPARTMENT - RADIATION ONCOLOGY UNIT, MODENA, ITALY;(2)OSPEDALE BELLARIA – AUSL DI BOLOGNA, RADIOTHERAPY UNIT, BOLOGNA, ITALY;(3)RADIOTHERAPIEGROEP, RADIOTHERAPIEGROEP ARNHEM, ARNHEM, THE NETHERLANDS;(4)AUSL-IRCCS DI REGGIO EMILIA, RADIOTHERAPY UNIT, REGGIO EMILIA, ITALY;(5)MAASTRICHT UNIVERSITY MEDICAL CENTRE + MUMC+, DEPARTMENT OF RADIATION ONCOLOGY MAASTRO, MAASTRICHT, THE NETHERLANDS;(6)CASA DEL SOLLIEVO DELLA SOFFERENZA, RADIOTHERAPY UNIT, S. GIOVANNI ROTONDO FOGGIA, ITALY;(7)OSPEDALE REGIONALE BELLINZONA E VALLI, ISTITUTO ONCOLOGICO DELLA SVIZZERA ITALIANA, BELLINZONA, SWITZERLAND;(8)MEDISCH SPECTRUM TWENTE, RADIOTHERAPY UNIT, ENSCHEDE, THE NETHERLANDS;(9)UNIVERSITY OF BOLOGNA, RADIATION ONCOLOGY CENTER-DEPARTMENT OF EXPERIMENTAL- DIAGNOSTIC AND SPECIALTY MEDICINE, BOLOGNA, ITALY;(10)UNIVERSITÀ DI MODENA E REGGIO EMILIA, DEPARTMENT OF MEDICAL STATISTIC, MODENA, ITALY;(11)AZIENDA OSPEDALIERO-UNIVERSITARIA DI MODENA, EMERITUS CHAIR OF RADIOTHERAPY UNIT, MODENA, ITALY;(12)PARIS SCIENCES ET LETTRES UNIVERSITY, MARIE CURIE PROFESOR, PARIS, FRANCE;

(1)University of California San Diego, Radiation Medicine and Applied Sciences, La Jolla, USA;(2)University of California San Diego, Head and Neck Surgical Oncology, La Jolla, USA;

(1)Hospital Universitario Ramón y Cajal, Radiation Oncology, Boadilla del Monte, Spain;(2)Hospital Universitario Ramón y Cajal, Radiation Oncology, Madrid, Spain;

(1)Department of Radiation Oncology, University Hospital- LMU Munich, München, Germany;(2)Department of Urology, University Hospital- LMU Munich, München, Germany;(3)Department of Nuclear Medicine, University Hospital Essen, Essen, Germany;(4)Department of Nuclear Medicine, University Hospital- LMU Munich, München, Germany;(5)Department of Therapeutic Radiology and Oncology, Innsbruck Medical University, Innsbruck, Austria;

(1)Gustave Roussy, Radiation oncology department, Villejuif, France;(2)Hôtel-Dieu de France, Radiation Oncology department, Beirut, Lebanon;

(1)Hospital Universitario Vall d'Hebron, Radiation Oncology, Barcelona, Spain;(2)Hospital Universitario Vall d'Hebron, Medical Oncology, Barcelona, Spain;(3)Hospital Universitario Puerta de Hierro, Medical Oncology, Madrid, Spain;(4)Hospital de Terrassa, Radiation Oncology, Terrassa, Spain;(5)Althaia_ Hospital Sant Joan de Deu, Medical Oncology, Manresa, Spain;(6)Hospital Universitario Vall d'Hebron, Urology, Barcelona, Spain;(7)Hospital Universitari Parc Taulí, Medical Oncology, Sabadell, Spain;

(1)BC Cancer, Radiation Oncology, Vancouver, Canada;(2)BC Cancer, Medical Oncology, Vancouver, Canada;(3)University of British Columbia, Urologic Sciences, Vancouver, Canada;(4)BC Cancer, Population Oncology, Vancouver, Canada;