1. Building Bridges Journal of Investigative Dermatology
Paul R. Bergstresser 
Journal of Investigative Dermatology 
Volume 132, Issue 5, Pages (May 2012)
DOI: /jid
Copyright © 2012 The Society for Investigative Dermatology, Inc Terms and Conditions

2. Eads Bridge, St Louis, Missouri. Copyright 2012 Steve Collender
Eads Bridge, St Louis, Missouri. Copyright 2012 Steve Collender. Used under license from Shutterstock.com.
Journal of Investigative Dermatology  , DOI: ( /jid )
Copyright © 2012 The Society for Investigative Dermatology, Inc Terms and Conditions

3. Brooklyn Bridge, New York, New York. Copyright 2012 SV Luma
Brooklyn Bridge, New York, New York. Copyright 2012 SV Luma. Used under license from Shutterstock.com.
Journal of Investigative Dermatology  , DOI: ( /jid )
Copyright © 2012 The Society for Investigative Dermatology, Inc Terms and Conditions

4. Nanjing Yangtze River Bridge, China. Photograph taken by Paul R
Nanjing Yangtze River Bridge, China. Photograph taken by Paul R. Bergstresser.
Journal of Investigative Dermatology  , DOI: ( /jid )
Copyright © 2012 The Society for Investigative Dermatology, Inc Terms and Conditions