1. Dalian Key Laboratory of Conservation Biology for Endangered Marine Mammals, Liaoning Ocean and Fisheries Science Research Institute, Dalian, Liaoning, China
2. Key Laboratory of Livestock Infectious Diseases in Northeast China, Ministry of Education, College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang, Liaoning, China
3. Center of Eco-environmental Monitoring and Scientific Research, Administration of Ecology and Environment of Haihe River Basin and Beihai Sea Area, ministry of Ecology and Environment of People`s Republic of China, Tianjin, China
4. Dalian Sun Asia Tourism Holding Co, Ltd, Dalian, Liaoning, China
5. Huludao City Comprehensive Law Enforcement of Agriculture, Huludao, Liaoning, China
6. Dalian Jinpu New Area Marine Development Affairs Service Center, Dalian, Liaoning, China