Department of Pediatric and Adolescent Medicine, Medical University, Innsbruck, Austria.
Received 9 March, 2009
Accepted 25 August, 2009
Address correspondence and reprint requests to Peter Heinz-Erian, MD, Department of Pediatrics and Adolescent Medicine, Medical University Innsbruck, Anichstrasse 35, A-6020 Innsbruck, Austria (e-mail: firstname.lastname@example.org).
The authors report no conflicts of interest.