A.  Betella, Zucca, R., Cetnarski, A., Greco, A., Lanata, A., Mazzei, D., Tognetti, A., Arsiwalla, X. D., Omedas, P., De Rossi, D., and Verschure, P., ?Inference of Human Affective States from Psychophysiological Measurements Extracted under Ecologically Valid Conditions?, FRONTIERS IN NEUROSCIENCE, vol. 8, 2014.