[1] Leiden University Medical Center,Maria Yazdanbakhsh is at the Department of Parasitology
[2] Albinusdreef 2,undefined
[3] 2333ZA Leiden,undefined
[4] The Netherlands.,undefined
[5] David L. Sacks is at the Laboratory of Parasitic Diseases,undefined
[6] National Institute of Allergy and Infectious Diseases,undefined
[7] National Institutes of Health,undefined
[8] Bethesda,undefined
[9] Maryland 20892,undefined
[10] USA.,undefined