1. Department of Medicine III; University Hospital; LMU Munich; Munich Germany
2. Department of Pediatrics; Dr. von Hauner Children's Hospital; University Hospital; LMU Munich; Munich Germany
3. AOK Nordwest; Kiel Germany
4. Department of Angiology and Haemostaseology; Vivantes Clinic; Berlin Germany
5. Independent Health Services Research; Munich Germany
6. Rudolf-Marx-Foundation; LMU Munich; Munich Germany
7. Helmholtz Zentrum Munich; German Research Center for Environmental Health (GmbH); Neuherberg Germany