1. The Smooth Muscle Research Group; Department of Physiology and Pharmacology; Libin Cardiovascular Institute of Alberta; University of Calgary; Calgary Alberta Canada
2. Department of Biochemistry and Molecular Biology; Libin Cardiovascular Institute of Alberta; University of Calgary; Calgary Alberta Canada
3. The College of Pharmacy; NanKai University; Tianjin China
4. The College of Medicine; NanKai University; Tianjin China