Xu, 202028First Affiliated Hospital of Guangzhou Medical University (Guangzhou), Dongguan People's Hospital (Dongguan), Foshan First People's Hospital (Foshan), Huizhou Municipal Central Hospital (Huizhou), First Affiliated Hospital of Shantou University Medical College (Shantou), Affiliated Hospital of Guangdong Medical University (Zhanijiang), Zhongshan City People's Hospital (Zhongshan)GuangdongDates: ?-2/28/2020Last follow-up: 2/28/2020