1. Department of Metallurgical and Mining Engineering, Universidad Católica del Norte, Antofagasta, Chile
2. Department of Electrical Engineering, Faculty of Physical and Mathematical Sciences, University of Chile, Santiago, Chile
3. Department of Mining Engineering, University of Kashan, Kashan, Iran
4. School of Mining and Geosciences, Nazarbayev University, Astana, Kazakhstan
5. Lidenbrock, Gea Spa, Santiago, Chile