1. Department of Cardiology, Helsinki University Hospital (V.M., M.J., J.S.), University of Helsinki, Finland.
2. Institute for Molecular Medicine Finland (FIMM), HiLIFE (S.R.), University of Helsinki, Finland.
3. Finnish Institute for Health and Welfare, Helsinki, Finland (M.P.).
4. Stem Cells and Metabolism Research Program, Faculty of Medicine (E.H.), University of Helsinki, Finland.
5. New Children’s Hospital, Pediatric Research Center, Helsinki University Hospital and University of Helsinki, Finland (E.H.).