1. Department of Neurosurgery and
2. Program in Global Surgery and Social Change, Department of Global Health and Social Medicine, Harvard Medical School, Boston, Massachusetts;
3. Plastic and Oral Surgery, Children's Hospital Boston;
4. Center for Neural Engineering, Departments of Neurosurgery, Engineering Science and Mechanics, and Physics, Pennsylvania State University, University Park, Pennsylvania; and
5. Nicholas School of the Environment and Sanford School of Public Policy, Duke University, Durham, North Carolina