Affiliations Courses 1992[position unknown]Duke University2005[position unknown]University Of Pennsylvania2006[position unknown]University Of Pennsylvania2007[position unknown]University Of Pennsylvania2008[position unknown]University Of Pennsylvania2009[position unknown]University Of Pennsylvania2010[position unknown]University Of Pennsylvania 1992Neurobiology 1992Student2005Neurobiology 2005Faculty2006Neurobiology 2006Faculty2007Neurobiology 2007Faculty2008Neurobiology 2008Faculty2009Neurobiology 2009Faculty2010Neurobiology 2010Faculty