1. C Gouveia Melo (corresponding author) Centre for Professional Practice, University of Kent, Compass Centre South, Chatham Maritime, Chatham, Kent, UK ME4 4YG; mail to: Rua Gil Vicente 12, Bloco C R/C, 2775-198 Parede, Portugal;
2. Centre for Professional Practice, University of Kent, Chatham, UK, and Wisdom Hospice, Rochester, UK