1. Institute of Toxicology & Genetics, Molecular Toxicology, Forschungszentrum Karlsruhe, Eggenstein-Leopoldshafen, Germany;
2. Institute of Technical Chemistry, Thermal Waste Treatment, Forschungszentrum Karlsruhe, Eggenstein-Leopoldshafen, Germany;
3. EMPA – Swiss Federal Laboratories for Materials Testing & Research, St Gallen, Switzerland