[1] Shantou Univ, Coll Med, Dept Prevent Med, Shantou 515031, Guangdong, Peoples R China
[2] Shantou Univ, Coll Med, Dept Lab Med, Affiliated Hosp 1, Shantou 515031, Guangdong, Peoples R China
[3] Third Peoples Hosp Shantou City, Dept Thorac Med, Shantou, Guangdong, Peoples R China
[4] Shantou Univ, Coll Med, Guangdong Key Lab Med Mol Imaging, Shantou 515031, Guangdong, Peoples R China