About the Authors

Guohong Zhang

Affiliation School of Medicine, Nankai University, Tianjin, China

Huifang Zhang

Affiliation School of Medicine, Nankai University, Tianjin, China

Hongxuyang Yu

Affiliation School of Medicine, Nankai University, Tianjin, China

Zheng Zhao

Affiliation Shenlan MSM Community Organization, Tianjin, China

Jie Yang

Affiliation Shenlan MSM Community Organization, Tianjin, China

Mianzhi Zhang

Affiliation Tianjin Public Security Hospital, Tianjin, China

Minying Zhang

zhangminying@nankai.edu.cn

Affiliation School of Medicine, Nankai University, Tianjin, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MYZ. Performed the experiments: GHZ HFZ HXYY ZZ JY MZZ. Analyzed the data: MYZ GHZ HFZ. Contributed reagents/materials/analysis tools: MYZ ZZ JY. Wrote the paper: GHZ HFZ MYZ.