Wolfgang Kainz, Esra Neufeld, Wesley E. Bolch, Christian G. Graff, Chan Hyeong Kim, Niels Kuster, Bryn Lloyd, Tina Morrison, Paul Segars, Yeon Soo Yeom, Maria Zankl, X. George Xu, and Benjamin M. W. Tsui, IEEE Transactions on Radiation and Plasma Medical Sciences, Volume 3, Issue 1, January 2019, pp. 1–23, online 03 December 2018; doi:10.1109/TRPMS.2018.2883437