1. School of Nursing, Shanghai Jiao Tong University, Shanghai, China
2. Department of Psychiatry, College of Medicine, University of Arizona, Tucson, AZ, USA
3. Division of General Internal Medicine and Health Services Research, University of California, Los Angeles, CA, USA
4. School of Medicine, Johns Hopkins University, Baltimore, MD, USA
5. College of Nursing, University of Illinois, Chicago, IL, USA
6. Feinberg School of Medicine, Northwestern University, Chicago, IL, USA