1 Department of Head and Neck Oncology, HCG Cancer Center, Bengaluru 560002, India; Department of Oral and Maxillofacial Surgery, HKDET Dental College and Hospital, Humnabad, India. Electronic address: drgururaj.a@hcgel.com.
2 Department of Head and Neck Oncology, HCG Cancer Center, Bengaluru 560002, India.
3 Department of Medical Oncology, HCG Cancer Center, Bengaluru 560002, India.
4 Department of Oral and Maxillofacial Surgery, Queen Alexandra Hospital, Portsmouth, UK.