Employment or Leadership: None declared. Consultant or Advisory Role: None declared. Stock Ownership: None declared. Honoraria: None declared. Research Funding: Bio-Rad Laboratories, ddPCR Reagents, Life Technologies, Acrometrix inhibition panel; K.R. Jerome, Bio-Rad Laboratories. Expert Testimony: None declared. Patents: None declared. Other Remuneration: T.C. Dingle, Bio-Rad Laboratories prov...

Employment or Leadership: None declared. Consultant or Advisory Role: None declared. Stock Ownership: None declared. Honoraria: None declared. Research Funding: H.L. Jørgensen, Danish Biotechnology Centre for Cellular Communication; H.P. Sennels, Danish Biotechnology Centre for Cellular Communication; J. Fahrenkrug, Danish Biotechnology Centre for Cellular Communication. Expert Testimony: None ...

Employment or Leadership: D. Mant, Oxford University. Consultant or Advisory Role: None declared. Stock Ownership: None declared. Honoraria: None declared. Research Funding: Funding from the U.K. National Institute for Health Research Health Technology Assessment (NIHR HTA) program (project no. 99/10/99) to the Nuffield Department of Primary Care Health Sciences, University of Oxford. Expert Te...

Employment or Leadership: None declared. Consultant or Advisory Role: None declared. Stock Ownership: None declared. Honoraria: None declared. Research Funding: R. Ensenauer, German Federal Ministry of Education and Research (BMBF) grant no. 0315088; J. Gmach, German Federal Ministry of Education and Research (BMBF) grant no. 0315088; Ina Nehring, German Federal Ministry of Education and Resear...

Employment or Leadership: None declared. Consultant or Advisory Role: None declared. Stock Ownership: None declared. Honoraria: E. Giannitsis, Merck Sharp & Dohme, Lilly, Bristol Myers Squibb, GlaxoSmithKline, Roche Diagnostics, and Bayer; H.J. Roth, Merck Sharp & Dohme and Roche Diagnostics. Research Funding: E. Giannitsis received funds and access to assays from Roche Diagnostics. Expert Test...

While courts depend on expert opinions in reaching sound judgments, the role of the expert witness in legal proceedings is associated with a litany of problems. Perhaps most prevalent is the question of under what circumstances should testimony be admitted as expert opinion. We review the changing policies adopted by American courts in an attempt to ensure the reliability and usefulness of the ...