438
Participants
Start Date
July 23, 2021
Primary Completion Date
August 10, 2022
Study Completion Date
September 10, 2022
oral and written education
oral and written education
Wechat group
Wechat group: oral and written education plus Wechat group based interactive education provided by medical professional
Qilu hosipital, Jinan
Shandong University
OTHER