1. Jiangsu Province Blood Center; Nanjing Jiangsu 210042 China
2. Soochow University; Suzhou Jiangsu 215007 China
3. The Affiliated Drum Tower Hospital of Nanjing University; Nanjing Jiangsu 210008 China
4. Institute of Dermatology; Chinese Academy of Medical Science & Peking Union Medical College; Nanjing Jiangsu 210042 China