Liu Wei, MM, Affiliated Chinese Medicine Hospital of Southwest Medical University, Luzhou, China.

Li Sulian, MM, Affiliated Chinese Medicine Hospital of Southwest Medical University, Luzhou, China.

Li Tonglian, MM, Affiliated Chinese Medicine Hospital of Southwest Medical University, Luzhou, China.

Zhang Yan, MM, Affiliated Chinese Medicine Hospital of Southwest Medical University, Luzhou, China.

Liu Zongchao, MD, Affiliated Chinese Medicine Hospital of Southwest Medical University, Luzhou, China.

Correspondence: Liu Zongchao, MD, Affiliated Chinese Medicine Hospital of Southwest Medical University, Luzhou, China ([email protected]).

The authors have disclosed no conflicts of interest.