Philip Ayieko, Stephen Ntoburi, John Wagai, Charles Opondo, Newton Opiyo, Santau Migiro, Annah Wamae, Wycliffe Mogoa, Fred Were, Aggrey Wasunna, Greg Fegan, Grace Irimu, Mike English
PLoS Med. 2011 April; 8(4): e1001018. Published online 2011 April 5. doi: 10.1371/journal.pmed.1001018