1. ARC Centre of Excellence for Mathematical and Statistical Frontiers Queensland University of Technology, Brisbane, Australia
2. Department of Computer Science, Universidade Federal de São João del-Rei, São João del-Rei, Brazil
3. Graduate Program in Computational Modelling, Universidade Federal de Juiz de Fora, Juiz de Fora, Brazil
4. Visiting Professor, Department of Computer Science, University of Oxford, Oxford, UK