A Community-based Cross-sectional Study of a Tiered Mental Health Support Model for Frontline Workers in Andhra Pradesh during the COVID-19 Pandemic. - Sathiyamoorthi, Sathiyanarayanan; Aluva, Vijaya C. R.; Aravindakshan, Rajeev; Naidu, Navya K.; Shashidhara, M.; Priyadarsini, Rashmitha (Indian Journal of Community Medicine, 2026)