[Wang, Jian; Guo, Qulian; Song, Zongbin; Hou, Xinran; Zhu, Maoen; Wang, J] Cent South Univ, Xiangya Hosp, Dept Anesthesiol, 87 Xiangya Rd, Changsha 410008, Peoples R China.
[Wang, Jian; Guo, Qulian; Song, Zongbin; Zhang, Chengliang; Hou, Xinran; Zhu, Maoen] Cent South Univ, Xiangya Hosp, Natl Clin Res Ctr Geriatr Disorders, Changsha, Peoples R China.
[Xu, Wei] Univ South China, Hunan Prov Maternal & Child Hlth Care Hosp, Dept Anesthesiol, Changsha, Peoples R China.
[Zhang, Chengliang] Cent South Univ, Xiangya Hosp, Dept Cardiovasc Surg, Changsha, Peoples R China.