1. Center for Registry and Research in Congenital Anomalies (CRIAC), Service of Genetics and Cytogenetic Unit, Pediatric Division; Dr. Juan I. Menchaca Civil Hospital of Guadalajara; Guadalajara Jalisco México
2. Department of Molecular Biology and Genomics, Dr. Enrique Corona Rivera Institute of Human Genetics, Health Sciences University Centre; University of Guadalajara; Guadalajara Mexico
3. Service of Pediatrics Gastroenterology; Hospital La Católica; San José Costa Rica
4. Service of Endocrinology; National Childreńs Hospital; San José Costa Rica
5. Department of Oral and Maxillo-Facial Surgery; University Hospital Magdeburg; Magdeburg Germany
6. Institute of Human Genetics; University Hospital Magdeburg; Magdeburg Germany