6 Neuroscience Institute, Departments of Psychology & Philosophy, Georgia State University, Atlanta, GA, USA.
7 National Center for Chimpanzee Care, MD Anderson Cancer Center, Bastrop, TX, USA.
8 Department of Psychology, Concordia University, Montréal, Québec, Canada.
9 School of Psychology and Neuroscience, University of St Andrews, St Andrews, UK.
10 School of Biological & Behavioural Sciences, Queen Mary University of London, London, UK.
11 School of Psychology, University of Birmingham, Birmingham, UK.
12 School of Psychology and Vision Sciences, University of Leicester, Leicester, UK.
13 Department of Human Evolutionary Biology, Harvard University, Cambridge, MA, USA.
14 Animal Health and Welfare Research Centre, University Centre Sparsholt, Winchester, UK.
15 Macedonian Academy of Sciences and Arts, Skopje, North Macedonia.
16 Fakultät für Psychologie, Ruhr University Bochum, Bochum, Germany.
17 Messerli Research Institute, University of Veterinary Medicine Vienna, Vienna, Austria.
18 Department of Behavioural Neurobiology, Max Planck Institute for Biological Intelligence, Seewiesen, Germany.
19 Department for Ecological and Biological Sciences, University of Tuscia, Viterbo, Italy.
20 Animal Ecology Group, University of Potsdam, Postdam, Germany.
21 School of Life Sciences, Anglia Ruskin University, Cambridge, UK.
22 Department of Psychology, University of Cambridge, Cambridge, UK.
23 Centre for Brain Research, School of Psychology, University of Auckland, Auckland, New Zealand.
24 Working Group Animal Behaviour & Welfare, Research Institute for Farm Animal Biology, Dummerstorf, Germany.
25 Department of Cognition, Emotion, and Methods in Psychology, University of Vienna, Vienna, Austria.
26 Psychological Sciences Research Institute, UCLouvain, Louvain-la-Neuve, Belgium.
27 Department of Psychology, Brandenburg University of Technology Cottbus - Senftenberg, Cottbus, Germany.
28 Department of Ecology and Evolution, University of Lausanne, Lausanne, Switzerland.
29 The Sense Innovation and Research Center, Lausanne and Sion, Lausanne, Switzerland.
30 Department of Zoology, University of South Bohemia, České Budějovice, Czech Republic.
31 Department of Psychology, University of Amsterdam, Amsterdam, The Netherlands.
32 Department of Psychology, Oakland University, Rochester, MI, USA.
33 Grupo de Investigación en Biodiversidad, Medio Ambiente y Salud (BIOMAS), Facultad de Ingenierías y Ciencas Aplicadas, Universidad de las Américas, Quito, Ecuador.
34 Department of Cognitive Science, University of California San Diego, La Jolla, CA, USA.
35 Department of Psychology, Princeton University, Princeton, NJ, USA.
36 Department of Psychology and Counseling, Pittsburg State University, Pittsburg, KS, USA.