1. Department of Educational TechnologyOcean University of ChinaQingdaoPeople's Republic of China
2. School of Computer Science and Technology, Shandong UniversityJinanPeople's Republic of China
3. School of Mechanical, Electrical and Information Engineering, Shandong UniversityWeihaiPeople's Republic of China
4. SeeleTech CorporationSan FranciscoUSA
5. Zsbatech CorporationBeijingPeople's Republic of China
6. Department of Computer Science and TechnologyOcean University of ChinaQingdaoPeople's Republic of China