Patient preferences for incentives in Contingency Management interventions in methadone treatment: A best-worst scale analysis. - Dao, Thuy Thi Dieu; Nguyen, Hue Thi; Nguyen, Trang Thu; Phung, Thuyet Thi; Hoang, Van Hai; Le, Huong Thi; Pence, Brian W.; Le, Giang Minh; Go, Vivian F.; Miller, William C. (PLoS ONE, 2026)