Correction: Long-term Follow-up and Safety of Patients after an Upfront Therapy with Letrozole for Early Breast Cancer in Routine Clinical Care - The PreFace Study [This corrects the article DOI: 10.1055/a-2238-3153.]. … ← Multi-layered knowledge graph neural network reveals pathway-level agreement of three breast cancer multi-gene assays Reply from authors: Shouldn't we start gathering evidence for improved hemodynamic support in patients with postcardiotomy cardiogenic shock? →