China The 18th World Voice Day in Shandong ENT Hospital affiliated to Shandong University 2019-04-23 China
China To Cherish Your Voice-The 18th World Voice Day in The First Affiliated Hospital of USTC 2019-04-16
China Academic Forum: Voice Issues in Vocal Music Teaching in Shanghai Conservatory of Music 2019-04-26
China Voice care for middle school teachers–WVD in 2nd Affiliated Hospital of Xi’an JiaoTong University 2019-04-18
