1. University of Sheffield; Academic Unit of Supportive Care, School of Medicine and Biomedical Sciences; Sykes House Little Common Lane Sheffield South Yorkshire UK S11 9NE
2. St Luke's Hospice and Royal Hallamshire Hospital; Medicine and Clinical Governance; St Luke's Hospice Little Common Lane, Abbey Lane Sheffield South Yorkshire UK S11 9NE
3. University Hospital South Manchester; Wythenshawe Hospital; Southmoor Road Wythenshawe Manchester UK M23 9GP
4. Institut Catalá d'Oncologia; WHO Collaborating Centre for Public Health Palliative Care Programme; Avda Gran Via de L'Hospitalet, 199-203 l'Hospitalet de Llobregat Barcelona Spain 08907