1. State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, Sichuan, P.R. China
2. HitGen Inc., Building 6, No. 8 Huigu First East Road, Tianfu International Bio-Town, Shuangliu District, Chengdu 610000, Sichuan, P.R. China