China Voice care for kindergarten teachers–WVD in 2nd Affiliated Hospital of Xi’an JiaoTong University 2019-04-18 China
China WVD activities in 1st affiliated hospital of Fujian Medical University–lectures for laryngectomees 2019-04-26
China Free Clinic and Lecture Activities in the Second Xiangya Hospital of Central South University 2019-04-26
