8.3 Data privacy Access to personal data of participants is strictly limited to the investigators aforementioned. Raw data will be archieved for at least 10 years. Blood samples willbe analysed at the Center for Molecular Cardiology of the University of Zurich in the group for cardioimmunology and destroyed after definitive analysis. Blood sample collection will be done at GZO Spital Wetzikon. The blood samples will be anonymised directly after collection. All data sheets, blood samples and data fromanalysis will be anonymised to a two-digit code. The key to match the two-digit-code to the personal data of the patient will be stored in a separate, password-protected data base. Only the principal investigator and investigator Dr. med. Nazmi Krasniqi will have access to this data base.