Internet-based cognitive behavioral therapy for psychological symptoms during the final phase of the COVID-19 pandemic: a feasibility study - Aminoff, Victoria; Bjorklund, My; Ekstrom, Elina; Stenback, Andrea; Yousafzai, Uzma; Berg, Matilda; Ludvigsson, Mikael; Andersson, Gerhard (Frontiers in Digital Health, 2025)