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Department of Orthopedics, Xijing Hospital, Fourth Military Medical University, Xi’an, Shaanxi, China. Address correspondence and reprint requests to Hai-Qiang Wang, MD, PhD, Department of Orthopedics, Xijing Hospital, 127 Changle Western Road, Fourth Military Medical University, Xi’an, Shaanxi, China 710032; E-mail: [email protected] Received 25 June, 2015 Revised 6 August, 2015 Accepted 31 August, 2015 The article submitted does not contain information about medical device(s)/drug(s). National Natural Science Foundation of China grant (81270028 and 81572182) was received in support of this work. No relevant financial activities outside the submitted work.
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Li et al. (2015) studied this question.
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