*Department of Pathology and Laboratory Medicine, Nationwide Children’s Hospital, Columbus, OH

Departments of †Otolaryngology and Communication Enhancement

§Radiology

∥Pathology and Laboratory Medicine, Boston Children’s Hospital

‡Harvard Medical School, Boston, MA

Conflicts of Interest and Source of Funding: The authors have disclosed that they have no significant relationships with, or financial interest in, any commercial companies pertaining to this article.

Correspondence: Alyaa Al-Ibraheemi, MD, Department of Pathology, Boston Children’s Hospital, 300 Longwood Avenue, Boston, MA 02115 (e-mail: [email protected]).