1 | Service of Occupational Medicine, Institute for Work and Health, University of Lausanne and Geneva, Epalinges-Lausanne, Switzerland. |
2 | INRS, Scientific Management, Nancy, France |
3 | Service of Parasitology and Mycology, CHU de Besançon, Besançon, France |
4 | Service of Occupational Hygiene, Institute for Work and Health, University of Lausanne and Geneva, Route de la Corniche 2, CH-1066 Epalinges-Lausanne, Switzerland. |