Samwel Gesase, Roly D. Gosling, Ramadhan Hashim, Rosalynn Ord, Inbarani Naidoo, Rashid Madebe, Jacklin F. Mosha, Angel Joho, Victor Mandia, Hedwiga Mrema, Ephraim Mapunda, Zacharia Savael, Martha Lemnge, Frank W. Mosha, Brian Greenwood, Cally Roper, Daniel Chandramohan
PLoS ONE. 2009; 4(2): e4569. Published online 2009 February 24. doi: 10.1371/journal.pone.0004569