Funding for this research was provided by:
National Natural Science Foundation of China (81771406)
the Science and Technology Development Project of Shaanxi Province (2016SF-084)
Text and Data Mining valid from 2019-01-23
Received: 12 December 2018
Accepted: 11 January 2019
First Online: 23 January 2019
Ethics approval and consent to participate
: This study was based on a prospective non-interventional research on BM that registered in ExternalRef removed (NCT02278016) and was approved by the ethics committee of Xijing Hospital (KY20140916-3). All procedures involving the patients complied with the ethical standards of the institutional and national research committees and with the 1975 Declaration of Helsinki and its later amendments.
: The authors declare that they have no competing interests.
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