1 H&TRC-Health & Technology Research Center, ESTeSL-Escola Superior de Tecnologia da Saúde, Instituto Politécnico de Lisboa, 1990-096 Lisbon, Portugal.
2 NOVA National School of Public Health, Public Health Research Centre, Universidade NOVA de Lisboa, Comprehensive Health Research Centre (CHRC), 1600-560 Lisbon, Portugal.
Human beings live in constant contact with chemical agents-mainly through environmental exposure-and also derived from the occupational settings [...].