1 Head and Neck Cancer Center, Division of Surgical Oncology, Atrium Healthcare, Levine Cancer Institute, Suite 3300, 1021 Morehead Medical Drive, Charlotte, NC 28204, USA. Electronic address: Zvonimir.Milas@carolinashealthcare.org.
2 Division of Surgical Oncology, Banner MD Anderson Cancer Center, 2946 E Banner Gateway Drive, Suite 450, Gilbert, AZ 85234, USA; Department of Head and Neck Surgery, The University of Texas MD Anderson, Cancer Center, Houston, TX, USA. Electronic address: thomas.shellenberger@bannerhealth.com.