卫生公益性行业科研专项201002014,201302007;教育部创新团队IRT1201;北京大学人民医院研究与发展基金RDB2014-01Special Scientific Research Grants for Public Welfare by Public Health Ministry of China201002014,201302007;Innovation Team Grants by Chinese Ministry of EducationIRT1201;Research and Development Fund by Peking University People”s HospitalRDB2014-01