Jets in Hydrogen-poor Superluminous Supernovae: Constraints from a Comprehensive Analysis of Radio Observations

D.~L. Coppejans, R. Margutti, C. Guidorzi, L. Chomiuk, K.~D. Alexander, E. Berger, M.~F. Bietenholz, P.~K. Blanchard, P. Challis, R. Chornock, M. Drout, W. Fong, A. MacFadyen, G. Migliori, D. Milisavljevic, M. Nicholl, J.~T. Parrent, G. Terreran, B.~A. Zauderer