Unguided web-based brief intervention with genetic risk education to reduce unhealthy alcohol consumption in Japan: Protocol for a randomized controlled trial - Yuki Kono; Mai Tanaka-Sahker; Shino Kikuchi; Yan Luo; Masatsugu Sakata; Ryuhei So; Tamara L. Wall; Toshi A. Furukawa; Ethan Sahker (PLoS ONE, 2026)