About the Authors
- Yafeng Song
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Affiliation Department of Integrative Medical Biology, Section for Anatomy, Umeå University, Umeå, Sweden
- Sture Forsgren
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Affiliation Department of Integrative Medical Biology, Section for Anatomy, Umeå University, Umeå, Sweden
- Jing-Xia Liu
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Affiliation Department of Integrative Medical Biology, Section for Anatomy, Umeå University, Umeå, Sweden
- Ji-Guo Yu
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Affiliation Department of Surgical and Perioperative Sciences, Sports Medicine Unit, Umeå University, Umeå, Sweden
- Per Stål
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* E-mail: per.stal@anatomy.umu.se
Affiliation Department of Integrative Medical Biology, Section for Anatomy, Umeå University, Umeå, Sweden
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: YS SF PS. Performed the experiments: YS SF PS. Analyzed the data: YS SF JL JY PS. Contributed reagents/materials/analysis tools: SF PS. Wrote the paper: YS SF JL JY PS.