1 Dept. Head and Neck Oncology, Health Care Global Enterprises Ltd. Hospital, Bengaluru, Karnataka 560027, India. Electronic address: irparvathynair646@gmail.com.
2 Dept. Head and Neck Oncology, Health Care Global Enterprises Ltd. Hospital, Bengaluru, Karnataka 560027, India.
3 Health Care Global Enterprises Ltd. Hospital, Bengaluru, Karnataka 560027, India. Electronic address: drshalini.t@hcgel.com.
4 Health Care Global Enterprises Ltd. Hospital, Bengaluru, Karnataka 560027, India. Electronic address: dranand.s@hcgel.com.
5 Health Care Global Enterprises Ltd. Hospital, Bengaluru, Karnataka 560027, India; Dean-Centre of Academics and Research and Robotic Surgeon, India. Electronic address: drvishal.rao@hcgel.com.