1. Key Laboratory of Blood Safety Research; Ministry of Health; Hangzhou Zhejiang People's Republic of China
2. Blood Center of Ninbo city; Ningbo People's Republic of China
3. Blood Center of Shaoxin city; Shaoxin People's Republic of China
4. Blood Center of Jinhua city; Jinhua People's Republic of China
5. Blood Center of Huzhou city; Huzhou People's Republic of China