Reply to letter to the editor by Yoshii

Affiliations

• ¹ Nagayama Rheumatology and Orthopaedic Clinic, 4-3-25 Hiokisounishi-machi, Higashi-ku, Sakai 599-8114, Japan.
• ² Department of Musculoskeletal Regenerative Medicine, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka 565-0871, Japan. Electronic address: k-ebina@ort.med.osaka-u.ac.jp.
• ³ Department of Orthopaedic Surgery, Osaka Rosai Hospital, 1179-3 Nagasone-cho, Kita-ku, Sakai 591-8025, Japan.
• ⁴ Department of Orthopaedic Surgery, National Hospital Organization Osaka Minami Medical Center, 2-1 Kidohigashi, Kawachinagano, Osaka 586-8521, Japan.
• ⁵ Department of Rheumatology, National Hospital Organization Osaka Minami Medical Center, 2-1 Kidohigashi, Kawachinagano, Osaka 586-8521, Japan.
• ⁶ Department of Orthopaedic Surgery, Toyonaka Municipal Hospital, 4-14-1 Shibahara-cho, Toyonaka, Osaka 560-8565, Japan.
• ⁷ Department of Orthopaedic Surgery, Osaka University Graduate School of Medicine, 2-2 Yamada-oka, Suita, Osaka 565-0871, Japan.
• ⁸ Department of Health and Sport Sciences, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka 565-0871, Japan.