| Affiliation: | Registry of Congenital Malformations, Sweden, the Italian Multicentric Register on Congenital Malformations, Italy, the Latin American Collaborative Study of Congenital Malformations IMBICE, Argentina, the Hungarian Congenital Malformation Registry, Hungary, the Medical Birth Registry, Denmark, the Spanish Collaborative Study of Congenital Malformations E. C. E. M. C., Spain, and the Registry and Epidemiologic Surveillance of Congenital Malformations, Mexico These malformation surveillance systems are members of the International Clearinghouse for Birth Defects Monitoring Systems. |
