1. Universidad Cooperativa De Colombia, Medellín, Colombia
2. Faculty of Economic, Administrative and Accounting Sciences, Universidad Cooperativa De Colombia, Cali, Colombia
3. Project Management, Aquatera Ltd, Old Academy Business Centre, Stromness, Orkney, UK
4. Independent Sustainability Consultant, Worcester, UK.
5. Research Group CatSEE, Institute of Physical Chemistry, Polish Academy of Sciences, Warsaw, Poland