作者单位:Columbia Univ, Irving Med Ctr, New York Presbyterian, Div Oral & Maxillofacial Surg, New York, NY[1]Columbia Univ, Coll Dent Med, 630 West 168th St, New York, NY 10032 USA[2]Univ Penn, Dept Oral & Maxillofacial Surg, Philadelphia, PA 19104 USA[3]Univ Michigan, Sch Dent, Ann Arbor, MI 48109 USA[4]