High resolution real-time CMR of function and flow: initial clinical results by Lotz Joachim, Sohns Jan M, Steinmetz Michael, Kowallick Johannes T, Schulte Christina, Staab Wieland, Joseph Arun, Merboldt Klaus-Dietmar, Voit Dirk, Zhang Shuo, Uecker Martin, Unterberg-Buchwald Christina, Hasenfus Gerd, Frahm Jens