Department of Electrical and Computer Engineering, Democritus University of Thrace, Komotini, Greece

Unconventional Computing Laboratory, University of the West of England (UWE), Bristol, UK

Institute of Materials for Electronics and Magnetism, Italian National Council of Researches (IMEM-CNR), Parma, Italy

Royal Danish Academy, Copenhagen, Denmark

Istituto Italiano di Tecnologia (IIT), Genova, Italy; University of the West of England (UWE), Bristol, UK

School of Art, Design and Architecture, Plymouth University, Plymouth, UK