*Molecular Diagnostic Laboratory, Department of Clinical Laboratory, Shanghai Children's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China;

†Department of Anesthesiology, Zhoukou Central Hospital, Zhoukou, Henan, China;

‡Department of Chemistry and Biochemistry, The University of Texas at El Paso, El Paso, TX;

§Department of Infectious Disease, Zhongshan Hospital, Fudan University, Shanghai, China; and

¶Department of Pulmonary and Critical Care Medicine, Zhongshan Hospital, Fudan University, Shanghai, China.

Correspondence: Man Xiao, MS, Molecular Diagnostic Laboratory, Department of Clinical Laboratory, Shanghai Children's Hospital, School of Medicine, Shanghai Jiao Tong University, 1519 Xinzha Road, Shanghai 200040, China (e-mail: [email protected]) or Mao-Sen Dou, MD, Department of Infectious Disease and Department of Pulmonary and Critical Care Medicine, Zhongshan Hospital, Fudan University, 180 Fenglin Road, Shanghai 200032, China (e-mail: [email protected]).

Supported by Shanghai Municipal Key Clinical Specialty [grant number: shslczdzk06902].

The authors report no conflicts of interest.