1. Instituto Sistemas Complejos de Ingeniería, Santiago, Chile
2. Electrical Engineering, University of Chile, Santiago, Chile
3. Laboratory of Applied Mathematical Programming and Statistics, and the Department of Electrical Engineering of the Pontifical Catholic University of Rio de Janeiro, Rio de Janeiro, Brazil
4. Electrical and Computer Engineerng, University of Cyprus, Nicosia, Cyprus
5. University of Melbourne, Department of Electrical and Electronic Engineering, VIC, Australia
6. Imperial College, Electrical Engineering, London, United Kingdom of Great Britain and Northern Ireland