1. Division of Neurobiology, Department Biology II, Ludwig-Maximilians-Universität München, Planegg-Martinsried, Germany;
2. Graduate School of Systemic Neurosciences, Ludwig-Maximilians-Universität München, Planegg-Martinsried, Germany; and
3. BioImaging Center, Ludwig-Maximilians-Universität München, Planegg-Martinsried, Germany