1. School of Physics, Engineering and Computer Science (SPECS), University of Hertfordshire, Hatfield, U.K.
2. Magnopus, St. Albans, U.K.
3. Department of Agriculture, Food and Environment, University of Catania, Catania, Italy
4. Department of Mathematics and Computer Science, University of Catania, Catania, Italy
5. Fable Data, London, U.K.
6. Academic Laboratory of Movement and Human Physical Performance, Dynamolab, Medical University of ŁódŸ, ŁódŸ, Poland
7. Business School, University of Bedfordshire, Luton, U.K.
8. Department of Computer Science, University of Pisa, Pisa, Italy