1. Department of Otolaryngology—Head and Neck Surgery University of Tennessee Health Science Center Memphis Tennessee U.S.A.
2. Division of Biostatistics – Department of Preventive Medicine University of Tennessee Health Science Center Memphis Tennessee U.S.A.
3. Medical Library Research and Learning Services University of Tennessee Health Science Center Memphis Tennessee U.S.A.
4. Department of Otolaryngology‐Head and Neck Surgery Thomas Jefferson University Philadelphia Pennsylvania U.S.A.
5. Delaware ENT‐Head and Neck Surgery Christiana Care Wilmington Delaware U.S.A.