The impact of a PERMA model-based positive psychology intervention on fear of stroke recurrence: a randomized controlled trial - Luo, Yanfang; Su, Zhenzhen; Zhu, Lingyun; Huang, Yujuan; Liu, Zhimin; Dechen, Wangmo; Xu, Bo; Gao, Xinyu; Chen, Yuping; Qiu, Yuyu; Hao, Jianru (Frontiers in Psychology, 2025)