1 Department of Orthopaedic Oncology and Surgery, Saitama Medical University International Medical Center, 1397-1 Yamane, Hidaka, Saitama, 350-1298, Japan. jungo@saitama-med.ac.jp.
2 Department of Orthopaedic Oncology and Surgery, Saitama Medical University International Medical Center, 1397-1 Yamane, Hidaka, Saitama, 350-1298, Japan.
3 Department of Human Pathology, Juntendo University School of Medicine, Hongo 2-1-1, Bunkyo-ku, Tokyo, 113-8421, Japan.
4 Diagnostic Pathology Center, Hakujikai Memorial Hospital, 5-11-1 Shikahama, Adachi-ku, Tokyo, 123-0864, Japan.
5 Department of Orthopaedic Surgery, Niigata University Medical and Dental Hospital, 754 Ichibancho, Asahimachidori, Chuo-ku, Niigata, Niigata, 951-8510, Japan.
6 Department of Orthopaedic Surgery, Cancer Institute Hospital of Japanese Foundation for Cancer Research, 3-8-31 Ariake, Koto-ku, Tokyo, 135-8550, Japan.
7 Department of Orthopedic Surgery, Mie University Graduate School of Medicine, 2-174 Edobashi, Tsu, Mie, 514-8507, Japan.
8 Department of Orthopaedic Surgery, Juntendo University School of Medicine, Hongo 2-1-1, Bunkyo-ku, Tokyo, 113-8421, Japan.
9 Department of Orthopaedic Surgery, Aichi Cancer Center Hospital, 1-1 Kanokoden, Chikusa-ku, Nagoya, Nagoya, 464-8681, Japan.
10 Department of Physical Therapy, Nagoya University School of Health Sciences, 1-1-20 Daiko-minami, Higashi-ku, Nagoya, Aichi, 461-8673, Japan.
11 Department of Orthopaedic Surgery, Osaka Medical Center for Cancer and Cardiovascular Diseases, 1-3-3 Nakamichi, Higashinari-ku, Osaka, Osaka, 537-8511, Japan.
12 Department of Orthopaedic Surgery, Kawachi General Hospital, 1-31 Yokomakura, Higashiosaka, Osaka, 578-0954, Japan.