Gianluca Esposito1, Peipei Setoh2. 1. Psychology Program, School of Social Sciences, Nanyang Technological University, Singapore; Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore, Singapore; Affiliative Behavior and Physiology Lab, Department of Psychology and Cognitive Science, University of Trento, Trento, Italy. Electronic address: gianluca.esposito@ntu.edu.sg. 2. Psychology Program, School of Social Sciences, Nanyang Technological University, Singapore.