1 Department of Radiation Oncology, Northwestern University, 251 East Huron Street, Ste LC‑ 178, Chicago, IL, 60611, USA.
2 Department of Biostatistics, Northwestern University, Chicago, IL, USA.
3 Department of Otolaryngology, Northwestern University, Chicago, IL, USA.
4 Division of Medical Oncology, Department of Medicine, Northwestern University, Chicago, IL, USA.
5 Department of Radiation Oncology, University of Michigan, Ann Arbor, MI, USA.
6 Department of Otolaryngology, Johns Hopkins University, Baltimore, MD, USA.
7 Department of Radiation Oncology, Northwestern University, 251 East Huron Street, Ste LC‑ 178, Chicago, IL, 60611, USA. Laila.Gharzai@northwestern.edu.
8 Department of Medical Social Sciences, Northwestern University, Chicago, IL, USA. Laila.Gharzai@northwestern.edu.