1. Aanensen DM, Huntley DM, Feil EJ, al Own F, Spratt BG (2009) EpiCollect: linking smartphones to web applications for epidemiology. Ecol Commun Data Collect 4(9):e6968
2. Brown SJ (2001) Research data collection and analysis. US Patent 6,196,970, 6 Mar 2001
3. Buckeridge DL et al (2008) Understanding detection performance in public health surveillance: modeling aberrancy-detection algorithms. J Am Med Inform Assoc 15(6): 760–769
4. Damtew Z (2012) Accelerating health service and data capturing through community health workers in rural ethiopia. Knowl Eng Ontol Dev
5. Declich S, Carter A (1994) Public health surveillance: historical origins, methods and evaluation. Bull World Health Organ 72(2):285–304