1. Department of Clinical Laboratory Sichuan Provincial Maternity and Child Health Care Hospital The Affiliated Women's and Children's Hospital of Chengdu Medical College Chengdu Sichuan China
2. Department of Laboratory Medicine Beijing Ludaopei Hospital Beijing China
3. Department of Clinical Laboratory The District People's Hospital of Zhangqiu Jinan Shandong China
4. Department of Clinical Laboratory Xi'an Children's Hospital Xi'an Shaanxi China
5. Department of Laboratory Medicine Hebei Yanda Ludaopei Hospital Langfang Hebei China
6. Department of Hematology Southwest Hospital Third Military Medical University (Army Medical University) Chongqing China