IW2013 Working Groups Wrap‐up. Issue 1 (April 2013) - Riley, Jack; Haskins, Cecilia; Harding, Alan; Bobinis, Joseph; Arnold, Eileen; Narkevicius, Jen; Stein, Jack; Oppenheim, Bohdan; Friedenthal, Sanford; Elm, Joseph; Ryan, Mike; Marvin, Joseph; et al.