[1
]
Department of Occupational Medicine, Public Health and Hazardous Substances, Statutory
Accident Insurance and Prevention in the Health and Welfare Services, Hamburg, Germany.
Electronic address: madeleine.dulon@bgw-online.de.
[2
]
Department of Occupational Medicine, Public Health and Hazardous Substances, Statutory
Accident Insurance and Prevention in the Health and Welfare Services, Hamburg, Germany.
[3
]
Department of Occupational Medicine, Public Health and Hazardous Substances, Statutory
Accident Insurance and Prevention in the Health and Welfare Services, Hamburg, Germany;
Institute for Health Services Research in Dermatology and Nursing, University Medical
Centre Hamburg-Eppendorf, Hamburg, Germany.