by Prager, Mike
Published in TCA Regional News (04.04.2016)

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Published in McClatchy - Tribune News Service (21.02.2008)

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Published in McClatchy - Tribune Business News (12.05.2010)

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by Toronto Star
Published in The Canadian Press (14.07.2014)

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Published in Courier-post (Cherry Hill, N.J.) (30.08.2007)

by Davis, Tim
Published in Bio - IT World (01.05.2009)

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Published in McClatchy - Tribune Business News (12.12.2011)

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Published in University Wire (08.12.2011)

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Published in International journal of cyber behavior, psychology, and learning (01.04.2011)

by Kim, Hyunjin, Park, Jaemyoung, Cha, Jaeyun, Song, Chang-Ho
Published in Physical therapy rehabilitation science (30.06.2014)

by Klas, Mary Ellen
Published in St. Petersburg times (Saint Petersburg, Fla. : 1921) (08.11.2016)

by Faturechi, Robert
Published in The Los Angeles times (15.07.2011)

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Published in McClatchy - Tribune Business News (01.11.2010)

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Published in Gait & posture (01.06.2017)

by William Hershey Columbus Bureau
Published in Dayton daily news (Dayton, Ohio. 1987) (25.03.2010)

by Bouchard, Kelley
Published in Portland press herald (20.03.2011)