1. Norwegian Physiotherapist Association/ Norsk Fysioterapeutforbund; P. O. B. 2704 St. Hanshaugen Oslo Norway 0131
2. Molde Hospital; Child and Adolescence Psychiatric Dept; NO-6407 Molde Norway
3. Diakonhjemmet Hospital; National Resource Centre for Rehabilitation in Rheumatology; PO Box 23 Vindern 0319 Oslo Norway
4. La Trobe University; Clinical School of Midwifery and Neonatal Nursing Studies; Kathleen Syme Education Centre 251 Faraday Street Carlton Victoria Australia
5. Bergen University College; Centre for Evidence Based Practice; Haugeveien 28 Bergen Norway 5005