1 Institute of Human Genetics, Medical University of Innsbruck, Peter-Mayr-Str. 1/1.OG, 6020, Innsbruck, Austria.
2 Department of Medical Biochemistry and Biophysics, Karolinska Institute, Stockholm, Sweden.
3 Department of Cellular Biochemistry, University Medical Center Göttingen, Göttingen, Germany.
4 Research Group Structure and Function of Molecular Machines, Max Planck Institute for Multidisciplinary Sciences, Göttingen, Germany.
5 Department of Paediatrics I (Inherited Metabolic Disorders), Medical University of Innsbruck, Innsbruck, Austria.
6 Cluster of Excellence 'Multiscale Bioimaging: from Molecular Machines to Networks of Excitable Cells' (MBExC), University of Göttingen, Göttingen, Germany.
7 Institute of Human Genetics, Medical University of Innsbruck, Peter-Mayr-Str. 1/1.OG, 6020, Innsbruck, Austria. markus.keller@i-med.ac.at.