UPBEAT-UK: a programme of research into the relationship between coronary heart disease and depression in primary care patients oleh André Tylee, Elizabeth A Barley, Paul Walters, Evanthia Achilla, Rohan Borschmann, Morven Leese, Paul McCrone, Jorge Palacios, Alison Smith, Rosemary Simmonds, Diana Rose, Joanna Murray, Harm van Marwijk, Paul Williams, Anthony Mann, on behalf of the UPBEAT-UK team