1 Department of Cardiology, The Fifth People's Hospital of Dongguan (also called Taiping People's Hospital of Dongguan), The Dongguan Affiliated Hospital of Medical College of Jinan University, Dongguan, Guangdong, China. Electronic address: gykang2008@126.com.
2 Department of Pharmacy, The Fifth People's Hospital of Dongguan (also called Taiping People's Hospital of Dongguan), The Dongguan Affiliated Hospital of Medical College of Jinan University, Dongguan, Guangdong, China.