title: Reply to letter to the editor.
authors.affiliation: KLM Health Services, Schiphol, The Netherlands.
authors.forename: Hans
authors.initials: H
authors.lastname: de Ree
authors.affiliation: Institute for Risk Assessment Sciences (IRAS), Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands.
authors.forename: Martin
authors.initials: M
authors.lastname: van den Berg
authors.affiliation: Netherlands Center for Occupational Diseases (NCvB), Coronel Institute for Occupational Health, Academic Medical Center, University of Amsterdam, The Netherlands.
authors.forename: Teus
authors.initials: T
authors.lastname: Brand
authors.affiliation: Leiden Academic Centre for Drug Research (LACDR), Leiden University, Leiden, The Netherlands.
authors.forename: Gerard J
authors.initials: GJ
authors.lastname: Mulder
authors.affiliation: European Society of Aerospace Medicine (ESAM), The Netherlands.
authors.forename: Ries
authors.initials: R
authors.lastname: Simons
authors.affiliation: KLM Health Services, Schiphol, The Netherlands.
authors.forename: Brinio
authors.initials: B
authors.lastname: Veldhuijzen van Zanten
authors.affiliation: Institute for Risk Assessment Sciences (IRAS), Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands. Electronic address: r.westerink@uu.nl.
authors.forename: Remco H S
authors.initials: RH
authors.lastname: Westerink
mesh_terms: D000395:Air Pollutants, Occupational / Q000506:poisoning*; D006801:Humans; D009784:Occupational Diseases / Q000209:etiology*; D014317:Tritolyl Phosphates / Q000506:poisoning*
chemical_list: D000395:Air Pollutants, Occupational; D014317:Tritolyl Phosphates