1. A2VILab, Department of Life, Health & Environmental Sciences, University of L'Aquila, L'Aquila, Italy
2. Department of Computer Science, Sapienza University, Rome, Italy
3. Instituto de Ciencia e Inovacao em Engenharia Mecanica e Engenharia Industrial, Departamento de Engenharia Mecanica, Faculdade de Engenharia, Universidade do Porto, Porto, Portugal