Nanjing Med Univ;
Affiliated Hosp 1;
Dept Cardiol;
Nanjing 210029;
Peoples R China. Nanjing Med Univ;
Affiliated Hosp 1;
Dept Geriatr;
Nanjing;
Peoples R China. Nanjing Univ;
Natl Resource Ctr Mutant Mice;
Nanjing 210008;
Peoples R China. E Tennessee State Univ;
Dept Surg;
Johnson City;
Nanjing Med Univ;
Affiliated Hosp 1;
Dept Cardiol;
Gunag Zhou Rd 300;
Nanjing 210029;
Peoples R China;