Singapore General Hospital, Singapore, Singapore
National University Hospital, Singapore, Singapore
The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guangzhou, China
The Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guangzhou, China
Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
The First Affiliated Hospital, Sun-Yat Sen University, Guangzhou, Guangdong, China