Code implementing 'optimal combination' of Mahiane and Kassanjee incidence estimators. {"references": ["Grebe E, Welte A, Johnson LF, Van Cutsem G, Puren A, Ellman T, Etard J-F, CEPHIA, Huerga H. Population-level HIV incidence estimates using a combination of synthetic cohort and recency biomarker approaches in KwaZulu-Natal, South Africa. PLOS ONE. 2018;13(9):e0203638. PMID:30212513. doi:10.1371/journal.pone.0203638."]}