Funding for this research was provided by:
Ministry of Science and Technology of the People's Republic of China (2014ZX09102041-006, 2012ZX09303012-001)
Text and Data Mining valid from 2018-04-16
Received: 18 October 2017
Accepted: 14 March 2018
First Online: 16 April 2018
Ethics approval and consent to participate
: Written informed consent was obtained from each patient at the time of enrollment. This clinical trial was carried out in accordance with the Declaration of Helsinki on experimentations involving human subjects, and was approved by the Institutional Ethics Review Boards of National Cancer Center/Cancer Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College. The approval number is 12-001/535.
: Not Applicable.
: The authors declare that they have no competing interests.
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