Ori, H., Hazan, H., Marder, E., and Harom, S. (2020) Dynamic clamp constructed phase diagram for the Hodgkin and Huxley model of excitability. Proceedings of the National Academy of Sciences Feb 2020, 117 (7) 3575-3582; DOI: 10.1073/pnas.1916514117 [PNAS]