1. Department of Biomedical, Metabolic and Neural Sciences Chair of Occupational Medicine University of Modena & Reggio Emilia Modena Italy
2. Department of Dermatology, Environmental Medicine, Health Theory Institute for Interdisciplinary Dermatological Prevention and Rehabilitation (iDerm) Lower‐Saxonian Institute of Occupational Dermatology (NIB) University of Osnabrueck Osnabrueck Germany