México City, México
From the Plastic and Cranio-Maxillofacial Surgery Research Department, Hospital “Gea González,” S.S.A., Universidad Nacional Autónoma de México, and Craniofacial Clinic of Hospital Infantil “Federico Gómez.” Received for publication April 30, 2001; revised October 1, 2001.
Antionio Fuente del Campo, M.D. CAP Interlomas #26 D.F. 52786, México firstname.lastname@example.org