Ninth World Congress
November 14-17, 1999
Lisbon, Portugal
President: J. C. Baldwin, M.D., Baylor College of Medicine, Houston, Texas, U.S.A
Honorary Chairman: M. M. Macedo, M.D., Lisboa, Portugal
Scientific Chairman: J. Roquette, M.D., Hospital Sta. Marta, Lisboa, Portugal
Co-Chairmen: M. Antunes, M.D.Hospitais Da Universidade CoimbraÅAPortugal; A. Varela, M.D. Hospital Universitario Puerta de Hierro, Madrid, Spain

President:
J. C. Baldwin, M.D., Baylor College of Medicine, Houston, Texas, U.S.A

Honorary Chairman:
M. M. Macedo, M.D., Lisboa, Portugal

Scientific Chairman:
Jose Manuel Malheiro Holtreman Roquette, M.D., Hospital Sta. Marta, Lisboa, Portugal