[1] Royal Free Hosp, Neuroendocrine Tumour Unit, ENETS Ctr Excellence, London NW3 2QG, England
[2] Med Univ Gdansk, Dept Hypertens & Diabet, Gdansk, Poland
[3] Kings Coll London, Guys Richard Dimbleby Dept Canc Res, London, England
[4] London Int Clin, Guys Richard Dimbleby Dept Clin Res, London, England
[5] London Clin Ctr Endocrinol, London, England