作者单位:Department of Biomedicine, University of Bergen, Jonas Lies Vei 91, 5009 Bergen, Norway[1]Interdisciplinary Center for Neurosciences, Department of Neurobiology, University of Heidelberg, Im Neuenheimer Feld 364, 69120 Heidelberg, Germany[2]Heidelberg University Biochemistry Center, Im Neuenheimer Feld 345, 69120 Heidelberg, Germany[3]