Institution: | 1. Health Sciences Institute, Castile-La Mancha Regional Health &2. Social Welfare Authority , Talavera de la Reina, Toledo , Spain;3. Torrijos Health District, Castile-La Mancha Regional Health &4. Social Welfare Authority , Torrijos , Spain;5. Castile-La Mancha Health Service (Servicio de Salud de Castilla-La Mancha - SESCAM), Talavera de la Reina , Toledo , Spain;6. Centro Nacional de Epidemiologia, Area de epidemiología ambiental y cáncer , Madrid , 28029 , Spain |