About the Authors

Miao Cheng

Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Software, Validation, Visualization, Writing – original draft, Writing – review & editing

Affiliations NTT Communication Science Laboratories, NTT Corporation, Atsugi, Japan, Department of Psychology, University of Hong Kong, Hong Kong SAR, China

Masaharu Kato

Roles Conceptualization, Formal analysis, Methodology, Resources, Software, Validation, Writing – review & editing

Affiliation Center for Baby Science, Doshisha University, Kyoto, Japan

Jeffrey Allen Saunders

Roles Formal analysis, Supervision, Writing – review & editing

Affiliation Department of Psychology, University of Hong Kong, Hong Kong SAR, China

Chia-huei Tseng

Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Methodology, Project administration, Resources, Supervision, Validation, Visualization, Writing – original draft, Writing – review & editing

CH_Tseng@alumni.uci.edu

Affiliation Research Institute of Electrical Communication, Tohoku University, Sendai, Japan

Competing Interests

Affiliation NTT corporation does not alter our adherence to PLOS ONE policies on sharing data and materials.