Xiao-Nong Zhou1
, Shan Lv1,2
, Guo-Jing Yang3
, Thomas K Kristensen4
, N Robert Bergquist5
, Jürg Utzinger2
and John B Malone6 
1
National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention, Shanghai, PR China
2
Department of Public Health and Epidemiology, Swiss Tropical Institute, Basel, Switzerland
3
Jiangsu Institute of Parasitic Diseases, Wuxi, PR China
4
DBL – Institute for Health Research and Development, University of Copenhagen, Denmark
5
Ingerod, Brastad, Sweden
6
Department of Pathobiological Sciences, School of Veterinary Medicine, Skip Bertman Drive, Louisiana State University, Baton Rouge, LA, USA