Address for correspondence: Dr. Frederick L. Ruberg, Section of Cardiovascular Medicine, Boston Medical Center, 72 East Concord Street, Boston, Massachusetts 02118.; Section of Cardiovascular Medicine, Department of Medicine, Amyloidosis Center, Boston University School of Medicine, Boston Medical Center, Boston, Massachusetts, USA
Omar K. Siddiqi, MD
Section of Cardiovascular Medicine, Department of Medicine, Amyloidosis Center, Boston University School of Medicine, Boston Medical Center, Boston, Massachusetts, USA