1. Department of Infectious Diseases, Parasitology, and
2. Institute of Physical Chemistry, Physical Chemistry of Biosystems, Heidelberg University, Heidelberg, Germany;
3. Department of Chemistry, Saitama University, Saitama, Japan;
4. Center for Medical Parasitology, University of Copenhagen, Copenhagen, Denmark; and
5. Institute for Integrated Cell-Material Science, Kyoto University, Kyoto, Japan