Sven Schneider is professor of social epidemiology at the Mannheim Institute of Public Health at the Heidelberg University. He is head of the Division Child Health and the principal investigator of several large, nationally representative studies in Germany. Research Interests: Health Inequality, Climate change and physical activity, e-cigarettes, Smoking prevention and tobacco control, Sunbed use, Skin Cancer and UV protection, and Health in pregnancy . more at: http://www.miph.de