Robert Thayer Sataloff, MD, DMA Professor and Chair, Department of Otolaryngology – Head and Neck Surgery, Senior Associate Dean for Clinical Academic Specialties, Drexel University College of Medicine Adjunct Professor, Department of Otolaryngology – Head and Neck Surgery, Sidney Kimmel Medical College, Thomas Jefferson University, Chair, American Institute for Voice and Ear Research Philadelphia, Pennsylvania, U.S.A. Pamela C. Roehm, MD, PhD Professor and Vice Chair, Department of Otolaryngology – Head and Neck Surgery, Drexel University College of Medicine, St. Christopher’s Hospital for Children, Philadelphia, Pennsylvania, USA