School of Computer Science and Technology, Henan Polytechnic University, Jiaozuo, Henan 454000, People's Republic of China||School of Computing and Mathematical Sciences, University of Leicester, Leicester LEI 7RH, UK||Department of Information Systems, Faculty of Computing and Information Technology, King Abdulaziz University, Jeddah 21589, Saudi Arabia

Nursing Department, The Fourth People's Hospital of Huai'an, Huai'an, Jiangsu, China