1. Mother Infant Research Institute at Tufts Medical Center; Boston Massachusetts USA
2. Department of Obstetrics and Gynecology; University Hospitals Leuven; Leuven Belgium
3. Paw Print Genetics; Genetic Veterinary Sciences, Inc.; Spokane Washington USA
4. Department of Human Genetics; Radboud University Medical Centre; Nijmegen the Netherlands
5. UCL Institute of Child Health; Great Ormond Street Hospital for Children NHS Foundation Trust and University College Hospital NHS Foundation Trust; London UK
6. Inova Alexandria Hospital; Alexandria Virginia USA