1. Research Assistant, National Civil Engineering Laboratory–LNEC, Av. do Brasil 101, 1700-066 Lisbon, Portugal.
2. Senior Research Officer, National Civil Engineering Laboratory–LNEC, Av. do Brasil 101, 1700-066 Lisbon, Portugal.
3. Graduate Officer, National Civil Engineering Laboratory–LNEC, Av. do Brasil 101, 1700-066 Lisbon, Portugal.
4. Engineer, Saneamento da Costa do Estoril, S.A–SANEST, Palácio Flor da Murta, Paço de Arcos, Portugal.
5. Associate Professor, Technical Univ. of Lisbon–IST, Av. Rovisco Pais, Lisbon, Portugal.