The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Wilcox:NAPAC2016-MOA2IO01} \bibitem{Wilcox:NAPAC2016-MOA2IO01} R.B. Wilcox, J.M. Byrd, L.R. Doolittle, and G. Huang, \textquotedblleft{Towards Attosecond Synchronization in Ultrafast Light Sources}\textquotedblright, % presented at NAPAC2016, Chicago, IL, USA, Oct. 2016, paper MOA2IO01, unpublished. presented at the North American Particle Accelerator Conf. (NAPAC'16), Chicago, IL, USA, Oct. 2016, paper MOA2IO01, unpublished.