1. Aerodigestive and Esophageal Center, Division of Speech-Language Pathology, Cincinnati Children's Hospital Medical Center, OH
2. Neonatal Intensive Care Unit, Baylor University Medical Center, Dallas, TX
3. Department of Communication Sciences and Disorders, University of Cincinnati, OH
4. Department of Speech Pathology and Audiology, Miami University, Oxford, OH
5. Department of Otolaryngology—Head & Neck Surgery, Boston University School of Medicine, MA
6. Department of Communicative Disorders, The University of Alabama, Tuscaloosa