Authors: Alessandra Meris; Maria Amigoni; Anil Verma; Jens Jakob Thune; Lars Køber; Eric Velazquez; John J V McMurray; Marc A Pfeffer; Robert Califf; Robert A Levine; Scott D Solomon Journal: J Am Soc Echocardiogr Date: 2012-02-04 Impact factor: 5.251