Funding for this research was provided by:
Guangzhou Science and Technology Plan project (No. 201710010107)
Received: 21 February 2019
Accepted: 5 August 2019
First Online: 20 August 2019
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of the Guangdong Provincial Hospital of Traditional Chinese Medicine (Guangzhou, China) (Approval No. B2016–042-01), and we will not begin recruiting at other centers in the trial until local ethical approval has been obtained. All patients were informed about the risks and benefits of the treatment strategy and signed informed consent forms at the beginning of the study.
: Not applicable.
: The authors declare that they have no competing interests.