About the Authors

Rongjun Yu

Contributed equally to this work with: Rongjun Yu, Sai Sun

rongjun.yu@gmail.com

Affiliation School of Psychology and Center for Studies of Psychological Application, South China Normal University, Guangzhou, China

Sai Sun

Contributed equally to this work with: Rongjun Yu, Sai Sun

Affiliation School of Psychology and Center for Studies of Psychological Application, South China Normal University, Guangzhou, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RY. Performed the experiments: SS. Analyzed the data: SS. Contributed reagents/materials/analysis tools: RY SS. Wrote the paper: RY SS.