Identifying knowledge gaps in social determinants of health and related challenges in Iran; 2023. - Bakhtiari, Ahad; Mostafavi, Hakimeh; Mohamadi, Efat; Yaftian, Fateme; Kargar, Sahar; Ahmady Tabatabaei, Seyed Vahid; Alimoradi, Zainab; Alizadeh, Mahasti; Almasi, Ali; Amini‑Rarani, Mostafa; Arab-Zozani, Morteza; Ardian, Nahid; et al. (Health Research Policy & Systems, 2025)