We developed LivSim, an open-source software alternative to the Liver Simulated Allocation Model (LSAM v Aug 2014) created by the Scientific Registry of Transplant Recipients. Written in Python 3.4.2, LivSim performs discrete-event simulation of liver allocation in the US Organ Procurement Transplantation Network. The software and technical manual are available for download at https://github.com/LivSim2017/LivSim-Codes.
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