The authors of the paper:

Ori H, Marder E, Marom S (2018) Cellular function given parametric variation in the Hodgkin and Huxley model of excitability. Proc Natl Acad Sci U S A 115:E8211-E8218
doi: 10.1073/pnas.1808552115

have made the associated model's Mathematica notebook available at the Wolfram cloud:

https://www.wolframcloud.com/objects/marom/SM.nb