1. Department of Pharmacy Peking University Third Hospital Beijing China
2. Department of Pharmacy Administration and Clinical Pharmacy School of Pharmaceutical Sciences Peking University Beijing China
3. Institute for Drug Evaluation Peking University Health Science Center Beijing China
4. National Center for Children’s Health Beijing China
5. Department of Pharmacy Beijing Children’s HospitalCapital Medical University Beijing China
6. Department of Pharmacy China‐Japan Friendship Hospital Beijing China
7. Department of Respiration Beijing Children’s HospitalCapital Medical University Beijing China
8. National Clinical Research Center for Respiratory Disease Beijing China
9. Respiratory Branch of Chinese Pediatric Society of Chinese Medical Association Beijing China
10. Department of Pediatrics Peking University Third Hospital Beijing China