Nicotine Intervention and Communication for Empowering Reduction (NICER): study protocol for a randomized controlled trial among priority populations of people who smoke. - Pei, Di; Juris, Aubrey; Nkansah, Prudence; Thrasher, James F.; Giordano, Nicholas A.; Henderson, Katherine C.; Spears, Claire A.; Ashley, David L.; Mallory, Vanessa C.; Adeniji, Folashayo P.; Foster, Jordan D.; Ni, Winnie; et al. (Trials, 2025)