1. Research Center of Modernization of Traditional Chinese Medicines; Central South University; Changsha; 410083; China
2. Xiangya Hospital; Central South University; Changsha; 410008; China
3. Key Laboratory of Combinatorial Biosynthesis and Drug Discovery (Wuhan University), Ministry of Education, and Wuhan University School of Pharmaceutical Sciences; Wuhan; 430071; China
4. School of Mathematical Sciences and Computing Technology; Central South University; Changsha; 410083; China