(1)The Central Clinical Hospital of the Ministry of The Interior and Administration in Warsaw, The Radiotherapy Center, Warsaw, Poland;

¹Hospital Universitari i Politècnic La Fe, Radiotherapy Department, Valencia, Spain; ²Clínica Benidorm, Radiophysics Department, Benidorm, Spain; ³Complejo Hospitalario de Navarra, Radiophysics Department, Pamplona, Spain; ⁴Complejo Hospitalario de Navarra, Radiotherapy Department, Pamplona, Spain; ⁵Clínica Benidorm, Radiotherapy Department, Benidorm, Spain

(1)Centre Leon Berard, Rhone, Lyon cedex 08, France;(2)Centre Antoine Lacassagne, Alpes Maritimes, Nice, France;

(1)University of Yamanashi, Department of Radiology, Chuo city, Japan;

(1)Porto Polytecnic, School of Health, Porto, Portugal;(2)Aveiro University, I3N Physics Department, Aveiro, Portugal;(3)Coimbra University, Institute for Systems Engineering and Computers at Coimbra, Coimbra, Portugal;(4)Coimbra University, CeBER and FEUC, Coimbra, Portugal;(5)University of North Carolina, Department of Radiation Oncology, Chapel Hill, USA;(6)Karolinska Institutet and Stockholm University, Division of Medical Radiation Physics, Stockholm, Sweden;

¹Military Institute of Medicine, Department of Radiotherapy, Warsaw, Poland; ²Military Institute of Medicine, Department of Radiotherapy, Laboratory of Medical Physics, Warsaw, Poland; ³Military Institute of Medicine, Department of Cardiology and Internal Diseases, Warsaw, Poland