[1] Aneurin Bevan Univ Hlth Board, TEC Cymru, Dept Informat, Newport, Gwent, Wales
[2] Northumbria Healthcare NHS Fdn Trust, Northumbria, England
[3] Aneurin Bevan Univ Hlth Board, St Cadocs Hosp, Child & Adolescent Mental Hlth Serv, Newport, Gwent, Wales
[4] Royal Coll Psychiatrists Wales, Cardiff, Wales