1. Los Angeles Biomedical Research Institute at Harbor–UCLA Medical Center, David Geffen School of Medicine, University of California at Los Angeles, Torrance, California
2. Center for Collaborative Research and Community Cooperation, Hiroshima University, Hiroshima, Japan
3. Cardiovascular Division, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
4. Centro Cardiologico Monzino, Istituto di Ricerca e Cura a Carattere Scientifico, Milan, Italy; and
5. Department of Clinical Sciences and Community Health, Cardiovascular Section, University of Milan, Milan, Italy