van der Schaaf Arjen, Langendijk Johannes Albertus, Fiorino Claudio, Rancati Tiziana
Department of Radiation Oncology, University of Groningen, University Medical Center Groningen, The Netherlands.
Medical Physics, San Raffaele Scientific Institute, Milan, Italy.
Int J Radiat Oncol Biol Phys. 2015 Mar 1;91(3):468-71. doi: 10.1016/j.ijrobp.2014.10.017. Epub 2015 Jan 30.