1. Translational Cardiology, Department of Cardiology, Inselspital, University Hospital Bern, Bern, Switzerland (M.R., K.E.O).
2. Department of Human Genetics, Inselspital, University Hospital Bern, Bern, Switzerland (C.Z.)
3. Department of Physiology, University of Bern, Bern, Switzerland (K.O.).