[1] Millcreek Community Hosp, Dept Otolaryngol & Facial Plast Surg, Erie, PA USA
[2] Univ Pittsburgh, Med Ctr, Dept Emergency Med, Erie, PA USA
[3] Univ Pittsburgh, Med Ctr, Dept Pediat Urol, Erie, PA USA
[4] St Georges Univ, Sch Med, Dept Anat Sci, True Blue, Grenada
[5] Lake Erie Coll Osteopath Med, Dept Anat, Erie, PA USA