var K_i_Na: per_fmol {init: 0.0795738, pub: out};
        var K_e_Na: per_fmol {init: 0.556754, pub: out};
        var K_sa_Na: per_fmol {init: 0.044303, pub: out};
        var kappa_Na: fmol_per_sec {init: 0.044303, pub: out};
        var q_sa_Na: fmol {init: 166.058, pub: out};
        var K_i_K: per_fmol {init: 0.080643, pub: out};
        var K_e_K: per_fmol {init: 0.564235, pub: out};
        var K_sa_K: per_fmol {init: 0.0455016, pub: out};
        var kappa_K: fmol_per_sec {init: 0.0455016, pub: out};
        var q_sa_K: fmol {init: 49.8173, pub: out};