<qa>  What is the first new diagnosis of histologically proven supratentorial glioblast1. Newly diagnosed histologically proven supratentorial glioblastoma World Health Organization WHO Grade IV, including glioblastoma subtypes, for example, gliosarcoma. The histological diagnosis has to be obtained from a neurosurgical resection of the tumor or by an open biopsy stereotactic biopsy is not allowed 