Linking Health and Administrative Data for Maternal, Child and Young Adult HealthA. Burgun,D. V. Oksen,W. Kuchinke,H-U Prokosch,T. Ganslandt,I. Buchan,T. van Staa,J. Cunningham,M. L. Gjerstorff,J-C Dufour, J-F Gibrat,M. Nikolski,P. Verger,A. Cambon-Thomsen,C. Masella,E. Lettieri,P. Bertele, M. Salokannel, R. Thiebaut, C. Persoz,G. Chene,C. Ohmann