[1] Department of Geriatrics,
[2] the Second Affiliated Hospital of Guangzhou Medical University,undefined
[3] Department of Pharmacy,undefined
[4] Guangdong Women and Children Hospital,undefined
[5] Department of General Practice,undefined
[6] the Second Affiliated Hospital of Guangzhou Medical University,undefined
[7] Guangzhou Institute of Cardiovascular Disease,undefined
[8] the Second Affiliated Hospital of Guangzhou Medical University,undefined