1. Boston Children’s Hospital, Department of Neurology, Harvard Medical School, Boston, MA, USA
2. University of Zambia, School of Medicine, Department of Paediatrics and Child Health, Lusaka, Zambia
3. University Teaching Hospital- Children’s Hospital, Lusaka, Zambia
4. Beth Israel Deaconess Medical Center, Department of Neurology, Boston, MA, USA
5. Arthur Davison Children’s Hospital, Ndola, Zambia
6. Ministry of Health, Lusaka, Zambia