About the Authors

Yi Xu

yi.xu@ucl.ac.uk

Affiliation Department of Speech, Hearing and Phonetic Sciences, Division of Psychology and Language Sciences, University College London, London, United Kingdom

Albert Lee

Affiliation Department of Speech, Hearing and Phonetic Sciences, Division of Psychology and Language Sciences, University College London, London, United Kingdom

Wing-Li Wu

Affiliation Department of Speech, Hearing and Phonetic Sciences, Division of Psychology and Language Sciences, University College London, London, United Kingdom

Xuan Liu

Affiliation Department of Speech, Hearing and Phonetic Sciences, Division of Psychology and Language Sciences, University College London, London, United Kingdom

Peter Birkholz

Affiliation Clinic of Phoniatrics, Pedaudiology, and Communication Disorders, University Hospital Aachen and RWTH Aachen University, Aachen, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YX. Performed the experiments: AL WLW XL. Analyzed the data: YX AL. Contributed reagents/materials/analysis tools: YX PB. Wrote the paper: YX AL.