Guest Editors: Vaninder K. Dhillon (Department of Otolaryngology-Head and Neck Endocrine Surgery, Johns Hopkins University, Bethesda, MD, USA) and Elizabeth Cottrill (Department of Otolaryngology-Head and Neck Surgery, Thomas Jefferson University Hospital, Philadelphia, PA, USA)

Guest Editors: Ralph P. Tufano (Division of Head and Neck Endocrine Surgery, Department of Otolaryngology-Head and Neck Surgery, The Johns Hopkins School of Medicine, Baltimore, MD, USA) and Salem I. Noureldine (Department of Endocrine Surgery, Endocrine and Metabolism Institute, Cleveland Clinic Foundation, Cleveland, OH, USA)