1. Department of Nursing, Xiangya Hospital of Central South University, Changsha, China
2. Community Nursing Department, Xiangya Nursing School of Central South University, Hunan Women Research Association, Changsha, China
3. Community Nursing Department, Xiangya Nursing School of Central South University, Changsha, China
4. Department of Cardiology, Xiangya Hospital of Central South University, Changsha, China
5. Department of Nursing, Shantou University Medical College, Shantou, China
6. Outpatient Clinic, Xiangya Hospital of Central South University, Changsha, China
7. Institute for Health Policy Studies, University of California, San Francisco, CA, United States of America
8. Department of Family Health Care Nursing, School of Nursing, University of California, San Francisco, CA, United States of America