Affiliation history for 0000-0002-0787-8954

The table below gives the affiliation history of the author based on the affiliations assigned to the author's articles.

Start	End	Country	Affiliation
2002	Present	US	Applied Physics Laboratory
2000	2000	US	Johns Hopkins University
1996	1996	Switzerland	Institute of Astronomy, ETH Zentrum, CH-8092, Zurich, Switzerland