1. Preclinical Research and Development, Cytokinetics, Inc., South San Francisco, CA 94080, USA.
2. Division of Cardiology, Department of Medicine, Johns Hopkins Medical Institutions, Baltimore, MD 21205, USA.
3. CV Dynamics, North Brunswick, NJ 08902, USA.
4. Department of Medicine and Division of Cardiovascular Medicine, School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA.
5. Department of Cell Biology and Molecular Medicine, and Cardiovascular Research Institute, New Jersey Medical School, University of Medicine and Dentistry, New Jersey, Newark, NJ 07103, USA.