An Intelligent Pen to Assess Anxiety Levels Through Pressure Sensors and Fuzzy Logic. - Cristian Tapia-Jaya; Isaac Ojeda-Zamalloa; Vladimir Robles-Bykbaev; Fernando Pesántez-Avilés; Ismael San Andrés Becerra; Verónica Cevallos León-Wong (AHFE (24), 2017)