1. Department of Palliative Care Intermountain Health Salt Lake City Utah USA
2. Center for Autism and Neurodiversity Thomas Jefferson University Philadelphia Pennsylvania USA
3. Vizient, Inc. Chicago Illinois USA
4. Department of Family and Community Medicine Thomas Jefferson University Philadelphia Pennsylvania USA
5. Center for Special Healthcare Needs, Christiana Care Christiana Delaware USA
6. Advocate Medical Group Adult Down Syndrome Center, Department of Family Medicine, Advocate Lutheran General Hospital Park Ridge Illinois USA
7. Division of Medical Genetics and Metabolism Massachusetts General Hospital Boston Massachusetts USA
8. Department of Pediatrics Harvard Medical School Boston Massachusetts USA