[1] UCL Great Ormond St, London, England
[2] Inst Myol, Paris, France
[3] Stanford Univ, Palo Alto, CA 94304 USA
[4] Univ Libre Bruxelles, Brussels, Belgium
[5] Catholic Univ, Rome, Italy
[6] Univ Childrens Hosp, Basel, Switzerland
[7] Harvard Med Sch, Boston, MA 02115 USA
[8] Carlo Besta Neuro Inst, Milan, Italy
[9] Roche Innovat Ctr Basel, Basel, Switzerland
[10] Roche Prod Ltd, Welwyn Garden City, Herts, England
[11] Therachon AG, Basel, Switzerland