[1] Harvard Med Sch, Dept Otolaryngol Head & Neck Surg, Div Facial Plast & Reconstruct Surg, Massachusetts Eye & Ear, 243 Charles St, Boston, MA 02141 USA
[2] Johns Hopkins Univ, Dept Otolaryngol Head & Neck Surg, Div Facial Plast & Reconstruct Surg, Baltimore, MD USA
[3] Tufts Univ, St Elizabeths Med Ctr, Dept Surg, Sch Med, Boston, MA USA
[4] Harvard Med Sch, Brigham & Womens Hosp, Ctr Surg & Publ Hlth, Boston, MA USA
[5] Univ Minnesota, Dept Otolaryngol Head & Neck Surg, Div Facial Plast & Reconstruct Surg, Minneapolis, MN USA
[6] Univ Miami, Dept Otolaryngol Head & Neck Surg, Div Facial Plast & Reconstruct Surg, Miami, FL USA