David Wilber of Loyola University Medical Center in Illinois was the lead writer of a report about the study.

VOA: special.2010.03.02

Martin Prince of Britain's Institute of Psychiatry, at King's College in London, was a writer of the report.

VOA: special.2010.10.05

The lead writer of the report was Norman Pace of the University of Colorado at Boulder.

VOA: special.2009.10.13

David Daniels is a Featured Columnist at Bleacher Report and a Syndicated Writer.

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Palin, who began his career as a writer for The Frost Report, is a founding member of world-renowned comedy troupe Monty Python.

BBC: Michael Palin to receive Bafta fellowship

Reuters contributed to this report, written by CNN Interactive Space Writer Richard Stenger.

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