1. Department of Internal Medicine/Cardiology (P.L., M.U., K.-P.R., K.-P.K., T.K., C.B., K.F., M.S., H.T., M.v.R., S.B.), Heart Center Leipzig at Leipzig University, Germany.
2. Leipzig Heart Institute, Germany (P.L., H.T.).
3. Department of Pediatric Cardiology (I.D.), Heart Center Leipzig at Leipzig University, Germany.