aDepartment of Endocrine Neoplasia and Hormonal Disorders

bDepartment of Head and Neck Surgery, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA

Correspondence to Anastasios Maniakas, MD, PhD, FRCSC, Assistant Professor, The University of Texas MD Anderson Cancer Center, Department of Head and Neck Surgery, Division of Surgery, 1515 Holcombe Blvd, Unit 1445, Houston, TX 77030, USA. E-mail: [email protected]