Botticella, A.; Defraene, G.; Nackaerts, K.; Deroose, C. M.; Coolen, J.; Nafteux, P.; Peeters, S.; Ricardi, U.; De Ruysscher, D. Optimal Gross Tumor Volume Definition in Lung-Sparing Intensity Modulated Radiotherapy for Pleural Mesothelioma: An in Silico Study. AO 2016, 55, 1450-1455.