# Correspondence:
Lin Huang, PhD. Department of Pharmacy, Peking University People’s
Hospital, No.11 Xizhimen South Street, Xicheng District, Beijing 100044,
China.
Email: huanglin@pkuph.edu.cn.
Tel: +86 (010)88325750
Yufei Feng, PhD. Department of Pharmacy, Peking University People’s
Hospital, No.11 Xizhimen South Street, Xicheng District, Beijing 100044,
China.
Email: fenyufei@126.com
The authors confirm that the Principal Investigator for this paper is
Lin Huang and that she had direct clinical responsibility for patients.