Correction to: Scientific Reports https://doi.org/10.1038/s41598-017-09849-z, published online 25 August 2017

This Article contains an error in the Acknowledgements section

“We thank all staff members involved in this study for their painstaking efforts in conducting the data collection. This study was supported by the Fundamental Research Funds for the Central Universities, Huazhong University of Science and Technology, China (2016YXMS215).”

should read:

“We thank all staff members involved in this study for their painstaking efforts in conducting the data collection. This study was supported by Natural Science Foundation of China (NSFC, 71373090, “Study on the gatekeeper policy of community health service).”