Protocol for a quasi experimental mixed method study on impact of intervention for improving Infant and Young Child Feeding (IYCF) practices in tribal block of Palghar District, Maharashtra, India through involvement of frontline workers - Suchitra Surve; Shraddha Kyatam; Shahina Begum; Bhavya M. K; Santosh Chaudhari; Sagar Patil; Shivshankar Timmanpyati; Purabi Mahajan; Ragini Kulkarni (PLoS ONE, 2026)