China Dating with your voice–the World Voice Day of Gaoyao District Traditional Chinese Medicine Hospital 2019-04-18 China
China Lecture “How To Protect Your Voice” in the second Xiangya Hospital of Central South University 2019-04-18
China Voice care for kindergarten teachers–WVD in 2nd Affiliated Hospital of Xi’an JiaoTong University 2019-04-18
China “Better voice, better yourself”: Word Voice Day Public Welfare Activity in Guangzhou 2019-04-18
