Study protocol: Type III hybrid effectiveness-implementation study implementing Age-Friendly evidence-based practices in the VA to improve outcomes in older adults oleh Kirstin Manges Piazza, Laura Ellen Ashcraft, Liam Rose, Daniel E. Hall, Rebecca T. Brown, Mary Elizabeth (Libbey) Bowen, Shahrzad Mavandadi, Alison C. Brecher, Shimrit Keddem, Bruce Kiosian, Judith A. Long, Rachel M. Werner, Robert E. Burke