title: Response to bone-D-15-00337.
authors: Department of Orthopedic Surgery, Haeundae Paik Hospital, Inje University College of Medicine, Busan, South Korea.
authors: Ji Wan
authors: JW
authors: Kim
authors: Division of Endocrinology and Metabolism, Asan Medical Center, University of Ulsan, College of Medicine, Seoul, South Korea.
authors: Jung-Min
authors: JM
authors: Koh
authors: Department of Orthopedic Surgery, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, South Korea.
authors: Jai Hyung
authors: JH
authors: Park
authors: Department of Orthopedic Surgery, Asan Medical Center, University of Ulsan, College of Medicine, Seoul, South Korea. Electronic address: jschang@amc.seoul.kr.
authors: Jae Suk
authors: JS
authors: Chang