Aliskiren, Enalapril, or Aliskiren and Enalapril in Heart Failure

John J V McMurray, Henry Krum, William T Abraham, Kenneth Dickstein, Lars V Køber, Akshay S Desai, Scott D Solomon, Nicola Greenlaw, M Atif Ali, Yanntong Chiang, Qing Shao, Georgia Tarnesby, Barry M Massie, ATMOSPHERE Committees Investigators