Inserra, C; Smartt, S J; Gall, E E E; Leloudas, G; Chen, T-W; Schulze, S; Jerkstrand, A; Nicholl, M; Anderson, J P; Arcavi, I; Benetti, S; Cartier, R A; Childress, M; Della Valle, M; Flewelling, H; Fraser, M; Gal-Yam, A; Gutiérrez, C P; Hosseinzadeh, G; Howell, D A