Saripalli, Koti Reddy. (2026-09-15). Six-Month Change and Follow-up Patterns in AbilityScore During Routine Paediatric Developmental Care in India: Protocol for the PINNACLE-TRAJ Retrospective Multicentre Cohort Study (Version 1.1). PINNACLE-TRAJ study protocol — preprint. https://doi.org/10.5281/zenodo.22761832 PINNACLE-TRAJ study protocol — preprint Planned retrospective cohort analysis. Ethics, registration and scoring-era selection pending; no results. Version 1.1