1. Department of Electrical Engineering Fu Jen Catholic University New Taipei City 24205Taiwan
2. Biomedizinische NMR Forschungs GmbH am Max‐Planck‐Institute für biophysikalische Chemie Am Fassberg 1137070Göttingen Germany
3. Department of Radiology Taipei Hospital Ministry of Health and Welfare New Taipei City 10051Taiwan
4. Department of Biomedical Engineering National Taiwan University Taipei 10051Taiwan
5. Department of Orthopaedic Surgery College of Medicine National Taiwan University Taipei 10051Taiwan
6. Department of Radiology College of Medicine National Taiwan University Taipei 10051Taiwan
7. Department of Medical Imaging National Taiwan University Hospital Taipei 10051Taiwan