1. Hainan Provincial Key Laboratory of Resources Conservation and Development of Southern Medicine, Key Laboratory of State Administration of Traditional Chinese Medicine for Agarwood Sustainable Utilization, Hainan Branch Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Haikou, Hainan 570311, P.R. China
2. Sinopec Maoming Petrochemical Co., Ltd., Maoming, Guangdong 525000, P.R. China