[1] Univ Med Ctr, Bonn, Germany
[2] Karolinska Univ Hosp, Stockholm, Sweden
[3] Kings Coll Hosp London, London, England
[4] Birmingham Childrens Hosp NHS Fdn Trust, Birmingham, W Midlands, England
[5] Novartis Pharma AG, Basel, Switzerland
[6] Novartis Pharmaceut, East Hannover, NJ USA