Implementation of a Prospective Birth Cohort Study: Assessment of Participation to Inclusion and Follow-up

P-387 Introduction: The prevalence of allergic respiratory diseases has recently increased in developed countries. The role of environmental stimuli due to changes in lifestyle on the occurrence of allergic diseases is questioned. In this context, a prospective birth cohort was implemented in order (1) to study the incidence of allergic respiratory diseases among children up to the age of 6 years, (2) to assess the relations between their...