| Daniel Bonn , University of Amsterdam, Amsterdam, Netherlands, Dec. 26, 2012 |
| Sami Dib , Imperial College London, London, UK, Dec. 9-11, 2012 |
| Artem Badasyan , Yerevan State University, Yerevan, Armenia, Dec. 1-21, 2012 |
| K. Gediz Akdeniz , Istanbul University Science Faculty, Istanbul, Turkey, Sep. 22 - Nov. 21, 2012 |
| Arman Esmaili , Universidade Estadual de Campinas (UNICAMP)/IFGW/DRCC, , Brazil, Sep. 22 - Nov. 5, 2012 |
| Reza Sepehrinia , University of Tehran, Tehran, Iran, Sep. 22 - Nov. 20, 2012 |
| Vahid Rezvani , University of Isfahan, Isfahan, Iran, Sep. 7-11, 2012 |
| Masoud Borhani , Laboratory for Physical Sciences, Maryland, USA, Aug. 27-30, 2012 |
| Zahra Khatibi , Imam Khomeini International University, Tehran, Iran, July 22 - Aug. 22, 2012 |
| Ravindra Bapat , Indian Statistical Institute, New Delhi, India, June 24 - July 4, 2012 |
| Hojatollah Vali , Anatomy and Cell Biology and Facility for Electron Microscopy Research, McGill University, Quebec, Canada, June 13-14, 2012 |
| Mikio Kano , Ibaraki University, , Japan, May 3-11, 2012 |
| Kenta Ozeki , National Institute of Informatics, , Japan, May 3-11, 2012 |
| Morteza Aslaninejad , Imperial College London and Rutherford-Appleton Laboratory, UK, , England, April 7-14, 2012 |
| Mahsa Vahabi , Shahid Beheshti University, Tehran, Iran, March 20 - Aug. 22, 2012 |
| Prof. Daniel Grumiller , Institute for Theoretical Physics, Vienna University of Technology, Vienna, Austria, Jan. 27 - Feb. 4, 2012 |
| Alejandro Kocsard , Universidade Federal Fluminense, , Brazil, Jan. 26 - Feb. 19, 2012 |
| Malihe Ghodrat , University of Shiraz, Shiraz, Iran, Jan. 20 - Feb. 18, 2012 |
| Holger Brenner , University of Osnabruck, Osnabruck, Germany, Jan. 4-12, 2012 |
| Reza Naserasr , LRI , Paris, Orsay, France, Dec. 24, 2011 - Jan. 26, 2012 |
| Kerasus Ghafouri , Department of Science of Shahid Beheshti University, Tehran, Iran, Jan. 1, 2003 - Jan. 1, 2012 |
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