Assessing food vendor receptiveness to healthier options: a study of knowledge, attitudes, practices, and perceived barriers regarding salt, sugar, and oil reduction in cafeteria food vendors. - Chia WX; Chung FF; Chia YC; Ng JY; Lee KH; Gunawan K; Lau TP; Ooi PB; Cheng MH; Say YH (BMC nutrition, 2025)