1. Department of Geography, University of Cambridge, Downing Place, Cambridge CB2 3EN, United Kingdom
2. Department of Mineralogy, Natural History Museum, Cromwell Road, London SW7 5BD, United Kingdom
3. Dipartimento di Chimica I.F.M., Università degli studi di Torino, Via P. Giuria 7, 10125 Torino, Italy
4. “G. Scansetti” Interdepartmental Center for Studies on Asbestos and other Toxic Particulates, Università degli studi di Torino, Via P. Giuria 7, 10125 Torino, Italy
5. Institute of Hazard, Risk and Resilience, Department of Earth Sciences, Durham University, Science Labs, South Road, Durham DH1 3LE, United Kingdom
6. Lung Biology Group, Pharmaceutical Science Division, King's College London, London SE1 9NH, United Kingdom
7. MRC Centre for Inflammation Research, The Queen's medical Research Institute, 47 Little France Crescent, Edinburgh EH16 4TJ, United Kingdom; >
8. Dipartimento di Genetica, Biologia e Biochimica, Università degli studi di Torino, Via Santena, 5/bis, 10126 Torino, Italy; >
9. Camborne School of Mines, College of Engineering, Mathematics and Physical Sciences, University of Exeter, Penryn, Cornwall TR10 9EZ, United Kingdom; >
10. Le Studium, Institute for Advanced Studies, Orléans and Tours, France; >
11. Istitut des Sciences de la Terre d'Orléans, 1a rue de la Férollerie, 45071 Orléans, Cedex 2, France