1. Department of Orthopaedic Surgery, Yodogawa Christian
Hospital, 2-9-26, Awaji, Higashiyodogawa-ku, Osaka City, Osaka, Japan, kaneshiro@tk2.so-net.ne.jp
2. Department of Orthopaedic Surgery, Yodogawa Christian
Hospital, 2-9-26, Awaji, Higashiyodogawa-ku, Osaka City, Osaka, Japan