1. Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy; Xuzhou Medical University; Xuzhou Jiangsu China
2. Division of Medicinal Chemistry, Leiden Academic Centre for Drug Research (LACDR); Leiden University; Leiden The Netherlands
3. Mathematical Institute; Leiden University; Leiden The Netherlands
4. Department of Mathematics; Swansea University; Swansea UK
5. Department of Engineering Design and Mathematics; University of the West of England; Bristol UK
6. Department of Biological Engineering; Massachusetts Institute of Technology (MIT); Cambridge MA USA