1. Center for Maternal‐Fetal Precision Medicine University of California San Francisco San Francisco California USA
2. Department of Surgery University of California San Francisco San Francisco California USA
3. School of Medicine University of California San Francisco San Francisco California USA
4. Department of Epidemiology and Biostatistics University of California San Francisco San Francisco California USA
5. Cure SMA Elk Grove Illinois USA
6. Departments of Neurology and Neuroscience Johns Hopkins University School of Medicine Baltimore Maryland USA