Wang, X. and Wang, L. and Filippenko, A.V. and Baron, E. and Kromer, M. and Jack, D. and Zhang, T. and Aldering, G. and Antilogus, P. and Arnett, W.D. and Baade, D. and Barris, B.J. and Benetti, S. and Bouchet, P. and Burrows, A.S. and Canal, R. and Cappellaro, E. and Carlberg, R.G. and di Carlo, E. and Challis, P.J. and Crotts, A.P.S. and Danziger, J.I. and Della Valle, M. and Fink, M. and Foley, R.J. and Fransson, C. and Gal-Yam, A. and Garnavich, P.M. and Gerardy, C.L. and Goldhaber, G. and Hamuy, M. and Hillebrandt, W. and Höflich, P. and Holland, S.T. and Holz, D.E. and Hughes, J.P. and Jeffery, D.J. and Jha, S.W. and Kasen, D. and Khokhlov, A.M. and Kirshner, R.P. and Knop, R.A. and Kozma, C. and Krisciunas, K. and Lee, B.C. and Leibundgut, B. and Lentz, E.J. and Leonard, D.C. and Lewin, W.H.G. and Li, W. and Livio, M. and Lundqvist, P. and Maoz, D. and Matheson, T. and Mazzali, P.A. and Meikle, P. and Miknaitis, G. and Milne, P.A. and Mochnacki, S.W. and Nomoto, K. and Nugent, P.E. and Oran, E.S. and Panagia, N. and Perlmutter, S. and Phillips, M.M. and Pinto, P. and Poznanski, D. and Pritchet, C.J. and Reinecke, M. and Riess, A.G. and Ruiz-Lapuente, P. and Scalzo, R.A. and Schlegel, E.M. and Schmidt, B.P. and Siegrist, J. and Soderberg, A.M. and Sollerman, J. and Sonneborn, G. and Spadafora, A. and Spyromilio, J. and Sramek, R.A. and Starrfield, S.G. and Strolger, L.G. and Suntzeff, N.B. and Thomas, R.C. and Tonry, J.L. and Tornambe, A. and Truran, J.W. and Turatto, M. and Turner, M. and Van Dyk, S.D. and Weiler, K.W. and Wheeler, J.C. and Wood-Vasey, M. and Woosley, S.E. and Yamaoka, H.