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 Name  Home Institution  Visit Duration
1 Biermann, Peter L.  Max-Planck Institute for Radioastronimie, Bonn, Germany  Frequently
2 Choi, Kyeongdal  Korea Polytechnic University, Seoul, Korea  January 2010 – December 2010
3 Kim, Day-Young  Korea Aerospace Research Institute (KARI)  December 1, 2012 - November 30, 2013
4 Kim, Hongjoo  Kyungbook National University, Daegu, Korea  March 2010 – February 2011
5 Ptuskin, Vladimir S.  IZMIRAN, Moscow, Russia  Frequently 

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