1. Center for Clinical Investigation, Department of Epidemiology and Biostatistics, Case Western Reserve University, Cleveland, Ohio2Department of Otolaryngology–Head & Neck Surgery, University Hospitals Case Medical Center, Cleveland, Ohio
2. Department of Otolaryngology–Head & Neck Surgery, University Hospitals Case Medical Center, Cleveland, Ohio
3. Department of Otolaryngology–Head & Neck Surgery, University Hospitals Case Medical Center, Cleveland, Ohio3Case Western Reserve University School of Medicine, Cleveland, Ohio