Attachments
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                    Journal/
conference: JAMA Network Open
                conference: JAMA Network Open
                    
                    Research:Paper
                
            
                    Organisation/s:
                    First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, China
                
                
                    Funder:
                    This study was funded by grant 2018YFC1706001 from the National Key Research and
Development Program of China (to Dr Meng).