Lee, S.P., Klinker, L., Ptaszek, L., Work, J., Liu, C., Quivara, F., Webb, C., Dagdeviren, C., Wright, J.A., Ruskin, J.N., Slepian, M., Huang, Y., Mansour, M., Rogers, J.A., Ghaffari, R., Proceedings of the IEEE, 103(4), 682-689, 2015. [Invited Review Paper]