Funding for this research was provided by:
Beijing Key Laboratory of Intelligent Logistics System (BZ0211)
Beijing Intelligent Logistics System Collaborative Innovation Center
Beijing Social Science Fund (16GLC064)
Beijing youth top-notch talent plan of High-Creation Plan (2017000026833ZK25)
Canal Plan Leading Talent Project of Beijing Tongzhou District (2017B0200452)
Article History
First Online: 20 August 2019