Front Matter -- Acknowledgments -- Contents -- Preface -- 1 Introduction -- 2 The Data Access, Confidentiality Tradeoff -- 3 Ethical and Legal Requirements Associated with Data Dissemination -- 4 Alternative Approaches for Limiting Disclosure Risks and Facilitating Data Access -- 5 Current Agency and Organization Practices -- References and Bibliography -- APPENDIX A Workshop Participants -- APPENDIX B Workshop Agenda.