Center for Cardiovascular Genetics, Institute of Molecular Medicine, The University of Texas Health Sciences Center, Texas Heart Institute, Houston, Texas, USA

Correspondence to Ali J. Marian, MD, Professor of Molecular Medicine and Internal Medicine (Cardiology), Director, Center for Cardiovascular Genetics, George and Mary Josephine Hamman Foundation Distinguished Professorship in Cardiovascular Research, Institute of Molecular Medicine, The University of Texas Health Sciences Center, Texas Heart Institute at St Luke's Episcopal Hospital, 6770 Bertner Street, Suite C900A, Houston, TX 77030, USA. Tel: +1 713 500 2350; fax: +1 713 383 0313; e-mail: [email protected]