Reich, N. G., D. Cummings, J. H. B. S. of P. Zorn, A.-C. Nyquist, T. M. Perl, and L. J. Radonovich. “The ALERT Algorithm: How to Simply Define a Period of Elevated Disease Incidence”. Online Journal of Public Health Informatics, vol. 6, no. 1, Mar. 2014, doi:10.5210/ojphi.v6i1.5177.