1. National Institute of Medicinal Material, 3B Quang Trung, Hoan Kiem, Hanoi, Vietnam
2. Institute of Marine Biochemistry, Vietnam Academy of Science and Technology (VAST), 18 Hoang Quoc Viet, Nghia Do, Cau Giay, Hanoi, Vietnam
3. National Institute of Drug Quality Control, 48 Hai Ba Trung, Hoan Kiem, Hanoi, Vietnam