1. Center for Rehabilitative Auditory Research, Guizhou Provincial People’s Hospital, Guiyang, China;
2. Centre for Speech and Language Therapy and Hearing Sciences, Cardiff School of Sport and Health Sciences, Cardiff Metropolitan University, Cardiff, UK;
3. Department of Hearing and Speech Science, Xinhua College, Sun Yat-Sen University, Guangzhou, China;
4. Children and Young People's Audiology Centre, St Thomas' Hospital, London, England