University of Helsinki - Institute for Molecular Medicine Finland (FIMM), Stanford University - Division of Cardiovascular Medicine, University of Tartu - Institute of Genomics, Stanford University - Division of Cardiovascular Medicine, Harvard University - Brigham and Women's Hospital, Massachusetts Institute of Technology and Harvard University - Broad Institute, University of Helsinki - Institute for Molecular Medicine Finland (FIMM), University of Helsinki - Institute for Molecular Medicine Finland (FIMM), Stanford University - Division of Cardiovascular Medicine, Stanford University, Stanford University - Division of Cardiovascular Medicine, University of Helsinki, Independent, University of Tartu - Institute of Genomics, Massachusetts Institute of Technology and Harvard University - Broad Institute, University of Helsinki - Institute for Molecular Medicine Finland (FIMM), University of Helsinki - Institute for Molecular Medicine Finland (FIMM), Herbold Computational Biology Program, Massachusetts Institute of Technology and Harvard University - Broad Institute, Stanford University - Betty Irene Moore Children's Heart Center, University of Helsinki - Institute for Molecular Medicine Finland (FIMM), Stanford University - Division of Cardiovascular Medicine, University of Helsinki - Institute for Molecular Medicine Finland (FIMM) and University of Helsinki - Institute for Molecular Medicine Finland (FIMM)