The heart knows best: baseline heart rate variability as guide to transcutaneous auricular vagus nerve stimulation in depression. - Schiweck C; Aichholzer M; Brandt E; Schneider M; Meyer K; Hamzehloiya T; Qubad M; Uckermark C; Jacobsen L; Amaral K; Auer J; Bruno G; et al. (Translational psychiatry, 2025)