About the Authors

Li-cai Yang

Contributed equally to this work with: Li-cai Yang, Quan-Guang Zhang, Cai-feng Zhou

Affiliation Experimental and Research Center, North China Coal Medical University, Tangshan, Hebei, People's Republic of China

Quan-Guang Zhang

Contributed equally to this work with: Li-cai Yang, Quan-Guang Zhang, Cai-feng Zhou

Affiliation Institute of Molecular Medicine and Genetics, Medical College of Georgia, Augusta, Georgia, United States of America

Cai-feng Zhou

Contributed equally to this work with: Li-cai Yang, Quan-Guang Zhang, Cai-feng Zhou

Affiliation Experimental and Research Center, North China Coal Medical University, Tangshan, Hebei, People's Republic of China

Fang Yang

Affiliation Experimental and Research Center, North China Coal Medical University, Tangshan, Hebei, People's Republic of China

Yi-dong Zhang

Affiliation Experimental and Research Center, North China Coal Medical University, Tangshan, Hebei, People's Republic of China

Rui-min Wang

rmwang1213@yahoo.com.cn (RMW); dbrann@mcg.edu (DWB)

Affiliation Experimental and Research Center, North China Coal Medical University, Tangshan, Hebei, People's Republic of China

Darrell W. Brann

rmwang1213@yahoo.com.cn (RMW); dbrann@mcg.edu (DWB)

Affiliation Institute of Molecular Medicine and Genetics, Medical College of Georgia, Augusta, Georgia, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: QGZ FY RmW DB. Performed the experiments: LcY QGZ CfZ YdZ RmW. Analyzed the data: LcY QGZ CfZ FY YdZ RmW DB. Wrote the paper: QGZ RmW DB.