1. Department of Psychological and Brain Sciences, Indiana University, Bloomington, IN, USA
2. Rudolf Magnus Institute, Utrecht, The Netherlands
3. Signal Processing Laboratory (LTS5), Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland
4. Department of Radiology, Lausanne University Hospital (CHUV) and University of Lausanne (UNIL), Lausanne, Switzerland