[1]Sanya sanatorium of Peoples Armed Police Force;
Sanya;
Hainan;
572000;
[2]Health education and Health management Department of Logistics University of Peoples Armed Police Force;
Tianjin;
300309;
[2]Health education and Health management Department of Logistics University of Peoples Armed Police Force;
Tianjin;
300309;
Policemen; Health examination; Analysis;