1. Key Laboratory of Health Economics and Policy, School of Health Care Management, National Health Commission Shandong University Jinan China
2. Department of Public Health Sciences University of Virginia Charlottesville Virginia
3. Center for Cancer Control and Policy Research, School of Health Care Management Shandong University Jinan China
4. Shandong Cancer Hospital, Shandong Academy of Medical Sciences Shandong University Jinan China
5. Population Sciences University of Virginia Cancer Center Charlottesville Virginia