1. From the Department of Physiology (Z.T., Y.L., K.U., D.M., Y.F., A.S.G., A.W.C., M.L.) and Biotechnology and Biomedical Engineering Center (Z.T., A.S.G.), Medical College of Wisconsin, Milwaukee; Department of Biomedical Engineering (Z.T.), Xi'an Jiaotong University, Shanxi, People’s Republic of China; and the Department of Nephrology (Y.F., X.D.), Zhongshan Hospital, Fudan University, Shanghai, People’s Republic of China.