1. Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, Georgia, USA, Institute of Public Health, University of Southern Denmark, Odense, Denmark, Department of Environmental Health, Harvard School of Public Health, Boston, Massachusetts, USA, State Agency for Social Services Schleswig-Holstein, Kiel, Germany, Department of Clinical Biochemistry and Pharmacology, Odense University Hospital, Odense, Denmark, and Faroese Hospital...