aDepartment of Otolaryngology-Head and Neck Surgery, Icahn School of Medicine at Mount Sinai

bDepartment of Surgery, Monash University, Melbourne, Australia

cDivision of Otolaryngology-Head and Neck Surgery, Department of Surgery, Cedars-Sinai Medical Center

dSamuel Oschin Comprehensive Cancer Institute, Los Angeles, USA

Correspondence to Allen S. Ho, MD, Cedars-Sinai Medical Center, 8635 West Third St., Suite 590W, Los Angeles, CA 90048, USA. Tel: +1 310 423 1220; fax: +1 310 423 1230; e-mail: [email protected]