[1] McGill Univ, Dept Biochem, Montreal, PQ H3G 1Y6, Canada
[2] McGill Univ, McGill Canc Ctr, Montreal, PQ H3G 1Y6, Canada
[3] McGill Univ, McGill Ctr Bioinformat, Montreal, PQ H3A 2B4, Canada
[4] RIKEN Om Sci Ctr, RIKEN Yokohama Inst, Tsurumi Ku, Yokohama, Kanagawa 2300045, Japan