Digital Biomarkers for Supporting Transitional Care Decisions: Protocol for a Transnational Feasibility Study - Despoina Petsani; Sara Ahmed; Vasileia Petronikolou; Eva Kehayia; Mika Alastalo; Teemu Santonen; Beatriz Merino-Barbancho; Gloria Cea; Sofia Segkouli; Thanos G Stavropoulos; Antonis Billis; Michael Doumas; et al. (JMIR Research Protocols, 2022)