HealthyRHearts - reducing cholesterol in rural adults via telehealth-based medical nutrition therapy: protocol for a cluster randomised controlled trial - Tracy L. Schumacher; Jaimee Herbert; Jennifer May; Shanthi Ramanathan; Leanne J. Brown; Michelle Guppy; Annabelle Williams; Megan E. Rollo; John Attia; Clare E. Collins (BMC Cardiovascular Disorders, 2023)