1Medical College of Soochow University, Suzhou 215123, P. R. China
2National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention, WHO Collaborating Centre for Tropical Diseases, National Center for International Research on Tropical Diseases, Key Laboratory of Parasite and Vector Biology, Ministry of Health, Shanghai 200025, P. R. China
3Department of Biochemistry, Higher Institute of Health Sciences, Université des Montagnes, Bangangté BP208, Cameroon
4School of Life Science, Fudan University, Shanghai 200438, P. R. China JFIF d d Ducky d qhttp://ns.adobe.com/xap/1.0/