1. Universidad Católica del Norte,Departamento de Sistemas y Computación,Antofagasta,Chile,1270236
2. Energy Transformation Center, Universidad Andres Bello,Engineering Faculty,Santiago,Chile,7500971
3. Universidad San Sebastian,Faculty of Engineering,Santiago,Chile
4. School of Engineering and Physical Sciences, Heriot-Watt University,Edinburgh,United Kingdom,EH14 4AS