[1] Univ Texas Southwestern Med Ctr Dallas, Dallas, TX 75390 USA
[2] Texoma Facial & Oral Surg Associates, Wichita Falls, TX USA
[3] Univ Texas Southwestern Med Ctr Dallas, Oral & Maxillofacial Surg, 5323 Harry Hines Blvd,CS3-104, Dallas, TX 75390 USA
[4] Univ Texas Southwestern Med Ctr Dallas, Residency Program, Dallas, TX 75390 USA