Part 1 : Databases for Phramacoepidemiological ResearchChapter 1 - Introduction (Miriam Sturkenboom) Chapter 2 - Overview of databases (Iris Pigeot, Maike Tahden, Dimitrios Zampatis, Douglas J. Watson, Ulla Forssen, Bianca Kollhorst) Part 2 : Databases in Europe.- Chapter 3 - Clinical Practice Research Datalink (CPRD) (Melissa Myland, Caroline O'Leary, Bassam Bafadhal, Mustafa Dungarwalla, Harshvinder Bhullar, Louise Pinder, James Philpott) Chapter 4 - IQVIA Medical Research Data (IMRD) (Caroline O'Leary) Chapter 5 - The Health Service Executive - Primary Care Reimbursement Services Database in Ireland (Ireland HSE-PCRS) (Sarah-Jo Sinnott) Chapter 6 - Administrative Registers in Finland, Sweden, and Norway (Tuire Prami, Rosa Juuti, Ilona Iso-Mustajärvi) Chapter 7 - PHARMO Database Network (Ron Herings, Marina Bakker) Chapter 8 - German Pharmacoepidemiological Research Database (GePaRD) (Ulrike Haug, Tania Schink) Chapter 9 - Institute for Applied Health Research Berlin (InGef) Database (Frank Andersohn, Jochen Walker ) Chapter 10 - National health insurance claims database in France, Système Nationale des Données de Santé (SNDS) and Health Data Hub (HDH) (Nicholas Moore, Patrick Blin, Régis Lassalle, Nicolas Thurin, Pauline Bosco-Levy, Cécile Droz) Chapter 11 - Agenzia regionale di sanità della Toscana (ARS) Database (Rosa Gini) Chapter 12 - Caserta Record Linkage Database (Gianluca Trifirò, Valentina Ientile, Janet Sultana, Michele Tari) Chapter 13 - Pedianet Database (Anna Cantarutti) Chapter 14 - BIFAP Program: A data resource for Pharmacoepidemiological research in Spain (Miguel Gil, Miguel Angel Maciá, Julio Bonis, Consuelo Huerta, Elisa Martín-Merino, Arturo Álvarez, Verónica Bryant and Dolores Montero on behalf of BIFAP Team) Chapter 15 - The Information System for Research in Primary Care (SIDIAP) (Talita Duarte-Salles, María Aragón, Bonaventura Bolíbar) Chapter 16 - Estonian Health Insurance Fund (EHIF) Database (Sirly Lätt, Helis Puksand) Chapter 17 - Icelandic Medicines Registry (IMR) (Larus S. Gudmundsson, Olafur B. Einarsson, Magnus Johannsson) Part 3 : Databases in North America.- Chapter 18 - Régie de l'assurance maladie du Québec (RAMQ) databases (Machelle Wilchesky, Samy Suissa) Chapter 19 - Medicaid and Medicare (Dirk Enders, Tania Schink, Til Stürmer) Chapter 20 - Truven Health MarketScan Research Databases (MarketScan) (Anne M. Butler, Katelin B. Nickel, Robert A. Overman, M. Alan Brookhart) Part 4 : Databases in Asia and Australia Chapter 21 - Australian Pharmaceutical Benefits Scheme (PBS) Dispensing Database (Emily A. Karanges, Melisa J. Litchfield, Leigh Mellish, Sallie-Anne Pearson) Chapter 22 - National Insurance Claims Database (NDB) (Daisuke Sato, Kazuhiko Ohe) Chapter 23 - National Health Insurance (NHI) Database (K. Arnold Chan)