1. Department of Public Affairs Administration , School of International Affairs and Public Administration, , Qingdao 266100 , China
2. Ocean University of China , School of International Affairs and Public Administration, , Qingdao 266100 , China
3. Department of Information System and Supply Chain Management , School of Management, , Jinan 250100 , China
4. Shandong University , School of Management, , Jinan 250100 , China
5. Department of Gastroenterology and Hepatology, Erasmus MC-University Medical Center , Rotterdam NL-3015CN , The Netherlands
6. Department of Industrial Engineering, University of Trento , Trento 38100 , Italy