[1] CHU Vaudois, Div Mol Paediat, CH-1011 Lausanne, Switzerland
[2] Univ Oulu, Bioctr, Collagen Res Unit, Oulu, Finland
[3] Univ Oulu, Dept Med Biochem & Mol Biol, Oulu, Finland
[4] Univ Childrens Hosp, Div Paediat Neurol, Zurich, Switzerland
[5] Univ Childrens Hosp, Leipzig, Germany
[6] Univ Childrens Hosp, Div Radiol, Zurich, Switzerland
[7] Kantonsspital, Div Paediat Radiol, Aarau, Switzerland
[8] Tulane Univ, Hlth Sci Ctr, Ctr Gene Therapy, New Orleans, LA 70118 USA
[9] Tulane Univ, Hlth Sci Ctr, Dept Med, New Orleans, LA 70118 USA