Institution: | a Cambridge Health Futures, Institute of Public Health, Robinson Way, Cambridge CB2 2SR, UK (Tel: 44-1223-330349; fax: 44-1223-330345) b Acute Services, Anglia and Oxford Regional Health Authority, Sunrise Park Way, Linford Wood, Milton Keynes MK14 6LS, UK (Tel: 44-1908-844400; fax: 44-1908-844444) c Acute Services, Anglia and Oxford Regional Health Authority, Sunrise Park Way, Linford Wood, Milton Keynes MK14 6LS, UK (Tel: 44-113-2545576; fax: 44-113-2545597) |