1. Department of Pediatrics, Dr. Horacio E. Oduber Hospital, Oranjestad, Aruba
2. Department of Pediatrics, Curaçao Medical Center, Willemstad, Curacao
3. Department of Human Genetics, Amsterdam UMC, 1100 DD Amsterdam, The Netherlands
4. Department of Genetics, Division Laboratories, Pharmacy and Biomedical Genetics, University Medical Center Utrecht, 3584 CX Utrecht, The Netherlands
5. Department of Medical Biology, Amsterdam UMC, 1100 DD Amsterdam, The Netherlands