1. State Key Laboratory of Infectious Disease Prevention and Control, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
2. Division of Clinical Microbiology, Department of Laboratory Medicine, Karolinska Institute, Stockholm, Sweden
3. Division of Laboratory Medicine, Oslo University Hospital, Oslo, Norway
4. Shandong Center for Disease Control and Prevention, Jinan, Shandong, China
5. Lanling Center for Disease Control and Prevention, Lanling, Shandong, China
6. Division of Laboratory Medicine, Institute of Clinical Medicine, University of Oslo, Oslo, Norway