1. Center for Magnetic Resonance Imaging Research and Key Laboratory of Brain-Machine Intelligence for Information Behavior (Ministry of Education and Shanghai), School of Business and Management, Shanghai International Studies University , Shanghai , China
2. Center for Functional Neuroimaging, Department of Neurology, University of Pennsylvania , Philadelphia, PA , USA
3. Unit for Experimental Psychiatry, Division of Sleep and Chronobiology, Department of Psychiatry, University of Pennsylvania , Philadelphia, PA , USA