[1] PARKLAND MEM HOSP, DALLAS, TX 75235 USA
[2] JOHN PETER SMITH HOSP, CTR TREATMENT DENT FACIAL DEFORMITIES, FT WORTH, TX USA
[3] UNIV TEXAS, ARLINGTON, TX 76010 USA
[4] UNIV TEXAS, SW MED SCH,CTR CORRECTION DENT FACIAL DEFORM, DEPT SURG,DIV ORAL SURG, DALLAS, TX 75235 USA