Funding for this research was provided by:
State Key Laboratory of Soil Plant Machinery System Technology (2015ZQ023)
Article History
Received: 23 January 2019
Accepted: 13 March 2019
First Online: 2 April 2019
Compliance with ethical standards
: Written informed consent was provided by the legal representative of each patient prior to the experiment. This study was approved by the Ethics Committee of the First Affiliated Hospital, School of Medicine, Zhejiang University and Hangzhou Wujing Hospital.
: The authors declare that they have no conflict of interest.