1 Academy of Medical Engineering and Translational Medicine, Tianjin University, Tianjin 300072 China; Tianjin Key Laboratory of Brain Science and Neuroengineering, Tianjin 300072 China.
2 Medizinische Physik, Carl von Ossietzky Universität Oldenburg and Cluster of Excellence "Hearing4all", Küpkersweg 74, 26129 Oldenburg, Germany.
3 Academy of Medical Engineering and Translational Medicine, Tianjin University, Tianjin 300072 China; Tianjin Key Laboratory of Brain Science and Neuroengineering, Tianjin 300072 China; Department of Biomedical Engineering, College of Precision Instruments and Optoelectronics Engineering, Tianjin University, Tianjin 300072 China. Electronic address: niguangjian@tju.edu.cn.
4 Academy of Medical Engineering and Translational Medicine, Tianjin University, Tianjin 300072 China; Tianjin Key Laboratory of Brain Science and Neuroengineering, Tianjin 300072 China; Department of Biomedical Engineering, College of Precision Instruments and Optoelectronics Engineering, Tianjin University, Tianjin 300072 China. Electronic address: richardming@tju.edu.cn.