Acknowledgments
PS salary supported by the Lymphoma Research Foundation Career Development Award Grant.
Author contributions
FF collected clinical data and wrote the paper; LJN, FS, LEF, PAT, BD, CCP, SSN and RES provided clinical care to patients and coauthored the paper; GW and MWM collected clinical data and coauthored the paper; RKS reviewed pathological findings and coauthored the paper; LC reviewed neuro-radiological findings and coauthored the paper; PS designed the study, collected and analyzed the data, provided clinical care to patients, and wrote the paper.
Disclosure statement
No potential conflict of interest was reported by the author(s).