“…Briefly, a myriad of methods can be found in the literature, based in Monte Carlo simulations, artificial neuronal networks, non-linear least-squares method, exponential model, or ab initio calculations [6] , [7] , [8] , [9] , [10] , [11] , [12] , [13] , [14] , [15] . It is worth mentioning here the study by Khan et al, where they reviewed the limitations of these main techniques [16] .…”