There are some very exciting changes that are coming down the pipeline. For the WHO 5th 2021 edition (CNS Tumor Classification Scheme) gliobastoma is only going to be used for IDH wild-type tumors there's no more IDH mutant GBM."(Nancy Ann Oberheim Bush, MD, PhD)
march 5th 2021
If the official change by the WHO was the reason NWBO waiting for the article then they had now March, April, may, June and half July to get the article done and published.
was March 5th when NWBO started writing the article, for before that they could not with the WHO not officially announcing IDH mutant, not being GBM? probably