Christian started following the work of Timothy Halkowski, University of Wisconsin Stevens Point, Communication. 2011-06-23 11:03:29 -0700

Christian started following the work of Stuart Ekberg, University of Bristol, School of Social and Community Medicine. 2011-02-04 10:40:39 -0800

Christian added a position and changed a Contact section. 2009-08-12 08:51:04 -0700