Digital health monitoring for adults with treatment-resistant depression: Observational feasibility study protocol. - Parkington, Karisa; Aguilar, Reinhard Janssen; Lee, Gyu Hee; Rueda, Alice; Adamsahib, Fathima; Al-Hassan, Mohammad; Famuditimi, Stephanie; Menzies, Perry; Lin, Qiaowei; Lou, Wendy; Krishnan, Sridhar; Bhat, Venkat (PLoS ONE, 2025)