MFDFormer: A Unified Multiscale Frequency Domain MetaFormer Framework for EEG-Based Chronic Pain Recognition. - Shihan Qiu; Kan Xie; Junjie Yang; Qiyu Yang; Bo Zhang 048; Yuhong Gu; Feng Xie; Rongjian Qiu; Shengli Xie; Wenfang Bai (IEEE Internet Things J., 2025)