| CEFPAS, Centre for Training and
Research in Public Health Cittadella Sant'Elia, Via G. Mulè, 1 93100 Caltanissetta, Italy Tel.: +39 0934 50 52 04 Fax: +39 0934 59 43 10 e-mail : cdf@infoservizi.it |
| University of Nantes 1 rue Gaston VEIL BP 53580 44035 Nantes, France |