1 Collaborative Innovation Center for Respiratory Disease Diagnosis and Treatment & Chinese Medicine Development of Henan Province, Henan University of Chinese Medicine, Zhengzhou, Henan, China.
2 Institute of Integrative Medicine, Dalian Medical University, Dalian, Liaoning, China.
3 University of Maryland, Baltimore, USA.
4 School of Biomedical Sciences, The Chinese University of Hong Kong, Hong Kong.