1. Tongchuan People’s Hospital, Tongchuan, Shaanxi Province, P. R. China
2. School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, P. R. China
3. Department of Pharmacology, School of Medicines Faculty of Health Sciences, University of the Free State, Bloemfontein 9300, South Africa
4. IK-Based Technology Innovations Department of Science and Technology Brummeria, Pretoria 0001, South Africa
5. Department of Pharmaceutical Products, Faculty of Pharmacy, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil