SMPG Acknowledgements
The SMPG was originally developed, in Excel, by Diego Pedreros based on previous work done by Greg Husak, with the support of Chris Funk, Greg Husak, Eric Alfaro, Hugo Hidalgo, and James Verdin. The Excel version was then programmed in Python by Jeaustin Andrey Sirias Chacón with the financial support from Hugo Hidalgo and Eric Alfaro from the Universidad de Costa Rica CIGEFI, UCT.