Authors: Simon K Kariuki; James Njunge; Ann Muia; Geofrey Muluvi; Wangeci Gatei; Feiko Ter Kuile; Dianne J Terlouw; William A Hawley; Penelope A Phillips-Howard; Bernard L Nahlen; Kim A Lindblade; Mary J Hamel; Laurence Slutsker; Ya Ping Shi Journal: Malar J Date: 2013-08-27 Impact factor: 2.979