1. Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, Texas
2. Integrated Microscopy Core, Baylor College of Medicine, Houston, Texas
3. Department of Pediatrics, Baylor College of Medicine, Houston, Texas
4. Jan and Dan Duncan Neurologic Research Institute at Texas Children’s Hospital, Houston, Texas
5. Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas
6. Department of Pathology, Pennsylvania State University College of Medicine, Hershey, Pennsylvania
7. Department of Pediatrics and Physiology, Johns Hopkins University School of Medicine, Baltimore, Maryland