Dalian University of Technology - The Second Affiliated Hospital of Dalian Medical University, Dalian University of Technology - The Second Affiliated Hospital of Dalian Medical University, Dalian University of Technology - The Second Affiliated Hospital of Dalian Medical University, Dalian University of Technology - The Second Affiliated Hospital of Dalian Medical University, Dalian University of Technology - The Second Affiliated Hospital of Dalian Medical University, Dalian University - Second Affiliated Hospital, affiliation not provided to SSRN, Dalian University - Dalian Medical University, Dalian University of Technology - The Second Affiliated Hospital of Dalian Medical University and Dalian University - Dalian Medical University