[1] Henry Ford West Bloomfield Hosp, Dept Otolaryngol Head & Neck Surg, West Bloomfield, MI 48322 USA
[2] Univ Utah, Dept Surg Otolaryngol Head & Neck Surg, Salt Lake City, UT USA
[3] Johns Hopkins Univ, Sch Med, Dept Otolaryngol Head & Neck Surg, Baltimore, MD 21205 USA
[4] Virginia Mason Med Ctr, Seattle, WA 98101 USA
[5] Univ Chicago, Med Ctr, Dept Otolaryngol, Chicago, IL 60637 USA
[6] Birmingham VA Med Ctr, Birmingham, AL USA
[7] St Louis Univ, Sch Med, Dept Internal Med, St Louis, MO USA
[8] Pomona Pediat, Pomona, NY USA
[9] Eastern Virginia Med Sch, Norfolk, VA 23501 USA
[10] Cincinnati Childrens Hosp Med Ctr, Cincinnati, OH 45229 USA
[11] Wayne State Univ, Philadelphia, PA USA
[12] Georgetown Univ Hosp, Washington, DC 20007 USA
[13] Wake Forest Baptist Hlth, Winston Salem, NC USA
[14] Morehouse Sch Med, East Point, GA USA
[15] Acupuncture & Oriental Med AAAOM, Annandale, VA USA
[16] Florida Atlantic Univ, Boca Raton, FL 33431 USA
[17] Nova SE Univ, Davie, FL USA
[18] Consumers United Evidence Based Healthcare, Fredericton, NB, Canada
[19] Louisiana State Univ, Sch Med, New Orleans, LA USA
[20] Amer Acad Otolaryngol Head & Neck Surg, Dept Res & Qual, Alexandria, VA USA