1. Department of Thoracic Surgery, The First Affiliated Hospital of Dalian Medical University, Dalian City, Liaoning Province, China
2. Department of Neuroelectrophysiology, The First Affiliated Hospital of Dalian Medical University, Dalian City, Liaoning Province, China
3. Department of Histology and Embryology, Dalian Medical University, Dalian City, Liaoning Province, China