Correction: Serum Iron Levels and the Risk of Parkinson Disease: A Mendelian Randomization Study

The affiliation currently reads: Irene Pichler, Fabiola Del Greco M., Martin Gogele, Peter P. Pramstaller, Andrew A. Hicks, Cosetta Minelli: Respiratory Epidemiology and Public Health, National Heart and Lung Institute, Imperial College, London, United Kingdom The affiliation should read: Irene Pichler, Fabiola Del Greco M., Martin Gogele, Peter P. Pramstaller, Andrew A. Hicks, Cosetta Minelli: Center for Biomedicine, European Academy Bozen/Bolzano (EURAC), Bolzano, Italy (affiliated institute of the University of Lubeck, Lubeck, Germany). Cosetta Minelli: Respiratory Epidemiology and Public Health, National Heart and Lung Institute, Imperial College, London, United Kingdom.