[1] Univ Otago, Dept Pathol, Angiogenesis & Canc Res Grp, Christchurch, New Zealand
[2] Auckland Canc Soc Res Ctr, Auckland, New Zealand
[3] Victoria Univ, Sch Biol Sci, Wellington, New Zealand
[4] Canterbury Dist Hlth Board, Oncol Serv, Christchurch, New Zealand