研究单位：[1]Nanfang Hospital of Southern Medical University[2]The first affiliated hospital of kunming medical college Kunming,Yunnan,China[3]302 Military Hospital Of China Beijing,Beijing,China[4]Beijing Ditan Hospital Beijing,Beijing,China[5]Beijing Friendship Hospital Beijing,Beijing,China[6]People's Hospital of Beijing University Beijing,Beijing,China[7]The Second Affiliated of ChongQing University of Medical Science Chongqing,Chongqing,China[8]GuangZhou No. 8 People's Hospital Guangzhou,Guangdong,China[9]Nanfang Hospital Guangzhou,Guangdong,China[10]Third Affiliated Hospital of Sun Yat-sen University Guangzhou,Guangdong,China
研究目的：
The purpose of this study is to conduct an investigator initiated observational study to continue to follow up the China subset of study participants for another 5 years after they complete participation in the REALM Study
