Moll van Charante, Anton W. PhD; Mulder, Paul G.H. PhD
From the Occupational Health Service AMG, Zoetermeer, The Netherlands (Dr Moll van Charante); and the Institute of Epidemiology and Biostatistics, Erasmus University, Rotterdam, The Netherlands (Dr Mulder).
Address correspondence to: Anton W. Moll van Charante, PhD, Bedrijfsgezondheidsdienst AMG, P.O. Box 649, 2700 AP Zoetermeer, The Netherlands.