Liyan Shen

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Open AccessArticle by Liyan Shen 1,2, Ting Wang 1,2, Jia Yin 1,2, Qiang Sun 1,2,* and Oliver James Dyar 3 1 Center for Health Management and Policy Research, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan 250012, China 2 NHC Key Lab of Health Economics and Policy Research (Shandong University), Jinan 250012, China 3 Department of Public Health and Caring Sciences, Uppsala University, 75122 Uppsala, Sweden * Author to whom correspondence should be addressed.