KEMRI Mtwapa, Kilifi, Kenya
NUAA NSP, Sydney, New South Wales, Australia
Alexandria University , School of medicine , Neurology Department, Neurovascular Unit, Alexandria, Egypt
National Institutes of Health Clinical Center, Bethesda, Maryland, United States
Barrow Neurological Institute, Phoenix, Arizona, United States
Univeristy Hospitals Southampton NHS Foundation Trust, Southampton, Hampshire, United Kingdom
The Christie NHS Foundation Trust, Manchester, United Kingdom
Crie - Unifesp, Sao Paulo, São Paulo, Brazil
Avenida Vital Brasil 1500, Sao Paulo, Brazil
Taichung Veterans General Hospital, Taichung, Taiwan