Author Correction: Introduction and reproducibility of an updated practical grading system for lumbar foraminal stenosis based on high-resolution MR imaging

• Elisabeth Sartoretti,
• Michael Wyss,
• Alex Alfieri,
• Christoph A. Binkert,
• Cyril Erne,
• Sabine Sartoretti‑Schefer,
• Thomas Sartoretti

Affiliations

Elisabeth Sartoretti

Institute of Radiology, Kantonsspital Winterthur

Michael Wyss

Philips Healthsystems

Alex Alfieri

Institute of Neurosurgery, Kantonsspital Winterthur

Christoph A. Binkert

Institute of Radiology, Kantonsspital Winterthur

Cyril Erne

Faculty of Medicine, University of Zurich

Sabine Sartoretti‑Schefer

Institute of Radiology, Kantonsspital Winterthur

Thomas Sartoretti

Institute of Radiology, Kantonsspital Winterthur