Atrial Fibrillation Follow-up Investigation to Recover Memory and Learning Trial (AFFIRMING): Rationale and Design of a Multi-center, Double-blind, Randomized Controlled Trial oleh Zhiyan Wang, Yiqun Zhang, Chao Jiang, Rong Hu, Wenli Dai, Yu Kong, Liling Sun, Litao Wu, Hongxu Geng, Chunqi Ren, Xiangyang Zhang, Jia Wang, Hong Jiang, Jianzeng Dong, Changsheng Ma, Xin Du