Acupuncture for amnestic mild cognitive impairment: Study protocol for a multicenter, single-blinded, long-term, randomized controlled trial - Xinyue Zhang; Ziwen Wang; Mingsheng Sun; Qiongnan Bao; Ziwen Chen; Yiwei Liu; Ziqi Wang; Fang Ye; Zuoqin Yang; Xiaoli Du; Hong Zhang; Xin Mou; et al. (PLoS ONE, 2026)