1Population Perinatal Health Research, Kolling Institute of Medical Research, University of Sydney, Australia
2Center of the International Clearinghouse for Birth Defects Surveillance and Research, Rome, Italy
3Rhone-Alps Registry of Birth Defects REMERA, Lyon, France
4Instituto Nacional de Ciencias Médicas y Nutrición “Salvador Zubirán”, Departamento de Genética, Registro y Vigilancia Epidemiológica de Malformaciones Congénitas, Mexico City, Mexico
5EUROCAT Northern Netherlands, Department of Genetics, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
6Western Australian Register of Developmental Anomalies, Perth, Australia
7Birth Defects Epidemiology and Surveillance Branch, Texas Department of State Health Services, Austin, Texas
8Estudio Colaborativo Latino Americano de Malformaciones Congenitas at Centro de Educación Médica e Investigación Clínica, Buenos Aires, Argentina
9Estudio Colaborativo Latino Americano de Malformaciones Congenitas at Laboratório de Epidemiologia de Malformações Congênitas, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro, Brazil
10Instituto Nacional de Genética Médica Populacional, Rio de Janeiro, Brazil
11Indagine Malformazioni congenite Emilia Romagna Registry, Department of Pediatrics, Bologna University, Bologna, Italy
12Department of Medicine, University of Mississippi Medical Center, Jackson, Mississippi
13Metropolitan Atlanta Congenital Defects Program, Division of Birth Defects and Developmental Disabilities, Centers for Disease Control and Prevention, Atlanta, Georgia
14Department of Hungarian Congenital Abnormality Registry and Surveillance, National Center for Healthcare Audit and Inspection, Budapest, Hungary
15Division of Medical Genetics, University of Utah Health Sciences Center, Salt Lake City, Utah
16Utah Birth Defect Network, Utah Department of Health, Salt Lake City, Utah
17Institut National de la Santé et de la Recherche Médicale, Unité Mixte de Recherche S953, Epidemiological Research on Perinatal Health and Women's and Children's Health, Hôpital Cochin and UPMC University, Paris, France
18Department of Neonatology, Soroka University Medical Center, Beer-Sheba, Israel
19Alberta Congenital Anomalies Surveillance System, Alberta Health and Wellness, Calgary, Canada
20Dublin EUROCAT Registry, Health Service Executive, Dublin, Ireland
21Department of Neonatology, Rabin Medical Center, Beilinson Campus, Petah Tikva, Israel
22Congenital Anomaly Register for Wales, Singleton Hospital, Swansea, Wales, United Kingdom
23Malformation Monitoring Centre Saxony-Anhalt, Otto-von-Guericke University, Magdeburg, Germany
24National Registry of Congenital Anomalies of the Czech Republic, Department of Medical Genetics, Thomayer University Hospital, Prague, Czech Republic
25Slovak Teratologic Information Centre, Slovak Medical University, Bratislava, Slovak Republic