Additional file 1 of Development and proof-of-concept of a multicenter, patient-centered cancer registry for breast cancer patients with metastatic disease—the 'Breast cancer care for patients with metastatic disease' (BRE-4-MED) registry

Additional file 1: Table S1. Proposed quality indicators for measuring guideline adherence (based on the National Guideline on Screening, Diagnosis, Therapy and Follow-up of Breast Cancer" (2017) – German Guideline Program in Oncology).