Tricia Scott1, Petra Brysiewicz2. 1. Centre for Research in Primary and Community Care, University of Hertfordshire, Hatfield, AL10 9AB, UK. Electronic address: p.scott3@herts.ac.uk. 2. School of Nursing and Public Health, Discipline of Nursing, University of KwaZulu-Natal, 5th Floor, Desmond Clarence Building, 4000, Durban, South Africa.