1. Department of Radiology Hallym University Dongtan Sacred Heart Hospital Hwaseong‐si Korea
2. Department of Radiology Soonchunhyang University Bucheon Hospitial Bucheon-si Korea
3. Department of Orthopedic Surgery Soonchunhyang University Bucheon Hospitial Bucheon-si Korea
4. Department of Radiology Soonchunhyang University Seoul Hospitial Bucheon-si Korea