1. Institute of Oceanography, Viet Nam Academy of Science Technology, 01 Cau Da, Nha Trang City, Viet Nam.
2. Graduate University of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Ha Noi, Viet Nam.
3. Marine Science Department, University of Hawaii-Hilo, 200 W. Kawili St., Hilo, HI 96720, USA.