1. School of Nursing, Vanderbilt University , Nashville, TN 37240 , United States
2. School of Nursing, University of California San Francisco , San Francisco, CA 94143 , United States
3. Department of Biostatistics, Vanderbilt University Medical Center , Nashville, TN 37232 , United States
4. Philip R. Lee Institute for Policy, University of California San Francisco , San Francisco, CA 94158 , United States
5. Owen Graduate School of Management, Vanderbilt University , Nashville, TN 37203 , United States