2 Department of Pediatrics, Duke University School of Medicine, Durham, NC, USA.
3 Department of Pediatrics, University of Colorado School of Medicine, Aurora, CO, USA.
4 Division of Bioethics and Palliative Care, Department of Pediatrics, University of Washington School of Medicine, Seattle, WA, USA; Treuman Katz Center, Center for Clinical and Translational Research, Seattle Children's Research Institute, Seattle, WA, USA.
5 Division of Child Neurology, Stanford University, Palo Alto, CA, USA.
6 Department of Pediatrics, Duke University School of Medicine, Durham, NC, USA; Duke Global Health Institute, Durham, NC, USA.
7 Department of Pediatrics, Duke University School of Medicine, Durham, NC, USA; Department of Population Health Sciences, Duke University School of Medicine, Durham, NC, USA. Electronic address: [email protected].