1. Dongyun Zhu, Intellectual Property Research Institute, University of Science and Technology of China, Anhui, Hefei, China.
2. Hailun Zhu, Hefei Institute of Public Safety Research, Tsinghua University, Hefei, China.
3. Vincent Ekow Arkorful (corresponding author), Department of Government and International Studies, Hong Kong Baptist University, Kowloon Tong, Hong Kong.