Le Rhun, E., Devos, P., Boulanger, T., Smits, M., Brandsma, D., Rudà, R., Furtner, J., Hempel, J., Postma, T. J., Roth, P., Snijders, T. J., Winkler, F., Winklhofer, S., Castellano, A., Hattingen, E., Capellades, J., Gorlia, T., Van den Bent, M., Wen, P. Y., Bendszus, M., Weller, M., & , (2019). the RANO Leptomeningeal Metastasis Group proposal to assess response to treatment: lack of feasibility and clinical utility and a revised proposal. Neuro-oncology, 21(5), 648–658. http://access.bl.uk/ark:/81055/vdc_100092361179.0x000014