[1] Johns Hopkins Univ, Sch Med, Dept Otolaryngol Head & Neck Surg, Baltimore, MD 21205 USA
[2] Cleveland Clin, Cleveland, OH 44106 USA
[3] Univ Virginia, Sch Med, Charlottesville, VA 22908 USA
[4] Cincinnati Childrens Hosp Med Ctr, Cincinnati, OH 45229 USA
[5] Suny Downstate Med Ctr, Brooklyn, NY 11203 USA
[6] Ear Nose Throat Georgia, Atlanta, GA USA
[7] Consumers United Evidence Based Healthcare, Baltimore, MD USA
[8] Univ Rochester, Rochester, NY USA
[9] Ann & Robert H Lurie Childrens Hosp Chicago, Chicago, IL 60611 USA
[10] Michigan State Univ, Grand Rapids, MI USA
[11] NYU Langone Hlth, New York, NY USA
[12] Univ Wisconsin, Madison, WI USA
[13] Boston Childrens Hlth Phys, Pomona Pediat, Pomona, NY USA
[14] Massachusetts Eye & Ear, Boston, MA USA
[15] Emory Univ Hosp Midtown, Atlanta, GA USA
[16] Georgetown Univ, Washington, DC USA
[17] Ohio State Univ, Nationwide Childrens Hosp, Columbus, OH 43210 USA
[18] Med Coll Wisconsin, Milwaukee, WI 53226 USA
[19] Weill Cornell Med Coll, New York, NY USA
[20] Washington Univ, Sch Med, St Louis, MO USA
[21] AdventHlth Med Grp, Celebration, FL USA
[22] Univ Cent Florida, Orlando, FL 32816 USA
[23] Univ S Florida, Tampa, FL 33620 USA
[24] Inova Alexandria Hosp, Alexandria, VA USA
[25] Stanford Univ, Palo Alto, CA 94304 USA
[26] Amer Acad Otolaryngol Head & Neck Surg Fdn, Alexandria, VA USA