1. Universidad de Sucre, School of Engineering. Cra 28 No 5-268 Sincelejo 700001, Colombia
2. Universidad de Medellín, School of Engineering. Cra 87 No 30-65 Medellín 050026, Colombia
3. CIESOL, Joint Centre University of Almería-CIEMAT, Almería, Spain
4. Nanotechnology and Integrated BioEngineering Centre, School of Engineering, University of Ulster, Newtownabbey, BT37 0QB, Northern Ireland
5. Plataforma Solar de Almería−CIEMAT, Carretera Senés km 4, 04200 Tabernas, Almería, Spain