Combined radiotherapy and concurrent tumor treating fields (TTFields) for glioblastoma: Dosimetric consequences on non-coplanar IMRT as initial results from a phase I trial oleh N. Guberina, C. Pöttgen, S. Kebir, L. Lazaridis, C. Scharmberg, W. Lübcke, M. Niessen, M. Guberina, B. Scheffler, V. Jendrossek, R. Jabbarli, D. Pierscianek, U. Sure, T. Schmidt, C. Oster, P. Hau, A. L. Grosu, M. Stuschke, M. Glas, Y. Nour, L. Lüdemann