1. Beijing Institute of Pharmacology and Toxicology, 27 Taiping Road, Beijing 100850, China
2. Lindsley F. Kimball Research Institute, New York Blood Center, New York, New York 10065
3. ITODYS, Université Paris Diderot—CNRS UMR 7086, 15 rue Jean de Baïf, 75205 Paris, France
4. Duke University Medical Center, Box 2926, Surgical Oncology Research Facility, Durham, North Carolina 27710
5. Natural Products Research Laboratories, University of North Carolina, Chapel Hill, North Carolina 27599