Improvement rates in adolescent patients with chronic fatigue syndrome after receiving cognitive behavioural therapy. Correspondence in response to: Clinical Practice: chronic fatigue syndrome-author's reply
1 Department of Pediatrics, Wilhelmina Children's Hospital, University Medical Centre Utrecht, Office KE 04.133.1, Postbox 85090, 3508 AB, Utrecht, The Netherlands, s.l.nijhof@umcutrecht.nl.