1. Laboratory of Pathology and Immunology of Aquatic Animals, KLM, Ocean University of China, 5 Yushan Road, Qingdao 266003, PR China
2. Function Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, no. 1 Wenhai Road, Aoshanwei Town, Jimo, Qingdao, PR China