1. Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, 44 West Culture Road, 250012 Jinan, Shandong, PR China
2. School of Biological Sciences, The University of Auckland, 3A Symonds St, Auckland 1010, New Zealand
3. Department of Biochemistry & Molecular Biology, Drexel University College of Medicine, Philadelphia, Pennsylvania 19102, United States
4. Specifica Inc., The Santa Fe Railyard, 1607 Alcaldesa Street, Santa Fe, New Mexico 87501, United States
5. Rega Institute for Medical Research, Laboratory of Virology and Chemotherapy, K.U. Leuven, Herestraat 49 Postbus 1043 (09.A097), B-3000 Leuven, Belgium