Vocal biomarkers in heart failure - design, rationale and baseline characteristics of the AHF-Voice study. - Fabian Kerwagen; Maximilian Bauser; Magdalena Baur; Fabian Kraus; Caroline Morbach; Rüdiger Pryss; Kristen Rak; Stefan Frantz; Michael Weber; Julia Hoxha; Stefan Störk (Frontiers Digit. Health, 2025)