1. Department of Medical Informatics; Erasmus Medical Center; Rotterdam the Netherlands
2. Department of Clinical and Experimental Medicine; University of Messina; Messina Italy
3. Department of Clinical and Preventive Medicine; Università Milano-Bicocca; Milan Italy
4. Brighton Collaboration Foundation; Basel Switzerland
5. University Children's Hospital Basel; University of Basel; Basel Switzerland
6. Janssen Research and Development LLC; Titusville NJ USA
7. Observational Medical Outcomes Partnership; Foundation for the National Institutes of Health; Bethesda MD USA