Departamento de Parasitología, Facultad de Farmacia, Universidad de Valencia, Valencia, Spain; Istituto Superiore di Sanità, Ministry of Health, Rome, Italy; Strengthening Rural Health Services Project, Ministry of Health and Population, Behera Regional Health Office, Damanhour, Egypt; National Schistosomiasis Control Program, Ministry of Health and Population, Cairo, Egypt; Parasitic Diseases and Vector Control, Communicable Diseases Control, Prevention and Eradication, World Health Organization...(2003-10時点)