1. Heart Research Center, Oregon Health & Science University, Portland, OR, USA
2. Department of Medicine (Cardiovascular Medicine), Oregon Health & Science University, Portland, OR, USA
3. Vollum Institute for Advanced Biomedical Research, Oregon Health & Science University, Portland, OR, USA
4. Department of Physiology and Pharmacology, Oregon Health & Science University, Portland, OR, USA
5. Cardiology, Portland Veterans Affairs Medical Center, Portland, OR, USA