Toward malaria elimination in Botswana: a pilot study to improve malaria diagnosis and surveillance using mobile technology by Chihanga Simon, Tatarsky Allison, Mosweunyane Tjantilili, Motlaleng Mpho, Bewlay Lesedi, Digovich Katy, Mankhi Enele, Kandula Deepika, Oumer Nesredin J, Muza S, Akrem A, Makuka James