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Funding
Funding for this research was provided by:
National Natural Science Foundation of China (81372009)
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Article History
Received: 24 October 2017
Accepted: 20 March 2018
First Online: 2 April 2018
Ethics approval and consent to participate
: The study was approved by the Medical Ethics Committee of Medical School of Nanjing University (the ethics approval number provided by the board was 2,011,052). Written informed consent was obtained from all patients prior to testing.
: Written informed consents for publication of topless photographs and whole spine radiographs in the anatomic position were obtained from the patients.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
