Approving ethics committee: "Wave 5 (2007)- Tayside Committee on Medical Research Ethics A 
Wave 4 (2000) – University of Glasgow Ethics Committee for Non Clinical Research Involving Human Subjects – no reference number – clerk Deborah Maddern
Wave 3 region (1995)  – University of Glasgow Interim Ethics Committee – no reference number – Assistant Secretary of the University Court FM Aiken
Wave 3 localities (1997) – University of Glasgow Ethics Committee for Non Clinical Research Involving Human Subjects – no reference number – letter from FM Aiken 
Wave 2 (1991) – Greater Glasgow Health Board Area Medical Committee GP Subcommittee – no reference number – letter from Alistair Riddell, Medical Secretary
Wave 1 (1986) – Ethical Sub-committee, West of Scotland Medical Committee, Dept of General Practice – no reference number – letter from Prof Barber (honorary chair)"