[1
]
Department of Orthopedic Surgery, University of Ulsan, College of Medicine, Asan Medical
Center, Seoul, Republic of Korea.
[2
]
Department of Orthopedic Surgery, Ilsanpaik Hospital, Inje University College of Medicine,
Goyangsi, Republic of Korea.
[3
]
Department of Orthopedic Surgery, Veterans Health Service Medical Center, Seoul, Republic
of Korea.