1. Laboratory of Psychophysics, Brain Mind Institute, École Polytechnique Fédérale de Lausanne, Lausanne, Switzerlanmauro.manassi@epfl.chhttp://lpsy.epfl.ch/people/manassi/
2. School of Psychology, University of Aberdeen, Aberdeen, UKf.hermens@abdn.ac.ukhttps://sites.google.com/site/froukehe/
3. Department of Psychological Sciences, Purdue University, West Lafayette, IN, USAgfrancis@purdue.eduhttp://www1.psych.purdue.edu/~gfrancis/
4. Laboratory of Psychophysics, Brain Mind Institute, École Polytechnique Fédérale de Lausanne, Lausanne, Switzerlanmichael.herzog@epfl.chhttp://lpsy.epfl.ch/people/herzog/