Authors: Nyasha Bakare; Ivor Ralph Edwards; Andy Stergachis; Shanthi Pal; Charles B Holmes; Marie Lindquist; Chris Duncombe; Alex Dodoo; Joel Novendstern; Jude Nwokike; Ricardo Kuchenbecker; Judith A Aberg; Veronica Miller; Jur Strobos Journal: PLoS Med Date: 2011-07-05 Impact factor: 11.069