1. Department of Environmental Health SciencesSchool of Public HealthUniversity of Michigan Ann Arbor MI USA
2. Department of BiostatisticsSchool of Public HealthUniversity of Michigan Ann Arbor MI USA
3. Division of Hematology OncologyDepartment of Internal MedicineUniversity of Michigan Ann Arbor MI USA
4. Departamento Académico de Clínicas MédicasUniversidad Peruana Cayetano Heredia Lima Perú
5. Dirección General de Salud Ambiental e Inocuidad Alimentaria – DIGESA: Ministerio de Salud del Perú Lima Peru