1. Universidad San Pablo-CEU1 and
2. Atlanta Research and Education Foundation,2
3. Division of Parasitic Diseases, Centers for Disease Control and Prevention,3 and
4. Universidade do Estado do Rio de Janeiro & HEC-FIOCRUZ, RJ, Brazil4
5. Hopital Ramón y Cajal,5 Madrid, Spain;
6. Morehouse School of Medicine,6 Atlanta, Georgia; and