| Amir Bahrami , Max Planck Institute for Biophysics Dept. of Theoretical Biophysics, Frankfurt, Germany, Dec. 23 - Jan. 5, 2017 |
| Tristan, Yves, Nicolas Guillot , Astronomer Observatoire de la Côte d'Azur , Nice, France,, Nice, French, Dec. 7-31, 2017 |
| Armen Nersessian , Yerevan State University, Yerevan, Republic of Armenia, Nov. 20-30, 2017 |
| Lydia Roos , LPNHE/IN2P3/CNRS, , France, Oct. 23-26, 2017 |
| Salim Cerci , Adiyaman University, , Turkey, Oct. 23-26, 2017 |
| Sertac Ozturk , Gaziosmanpasa University, , Turkey, Oct. 23-26, 2017 |
| Pawel Machnikowski , Department of Theoretical Physics, WUST, Wroclaw, Poland, Wroclaw, Poland, Sep. 18-24, 2017 |
| Gerry Gilmore , Cambridge University, England, England, Aug. 30, 2017 |
| Leonardo Boechi , Instituto de Calculo, University of Buenos Aires, Argentina, Buenos Aires, Argentina, Aug. 12-17, 2017 |
| Mehrnoosh Arrar , University of Buenos Aires, Argentina, Buenos Aires, Argentina, Aug. 12-17, 2017 |
| Jalal Sarabadani , Senior Postdoctoral Researcher, Aalto University School of Science , Aalto, Finland, Aug. 1-4, 2017 |
| Zahra Tabrizi , University of Sao Paulo, Sao Paulo, Brazil, July 15-19, 2017 |
| Reza Goldouzian , Interuniversity Institute for High Energies (IIHE), , Belgium, July 5-6, 2017 |
| Hadi Rahmani , Aix Marseille Universite, France, Paris, May 31, 2017 |
| Mehrdad Mirbabayi , International Centre for Theoretical Physics, Trieste, Italy, April 17, 2017 |
| Michal Artymowski , Institute of physics jagiellonian university, Birmingham, England, April 9, 2017 |
| Amir Aghamousa , Korea Astronomy , Daejeon, South Korea, Jan. 16, 2017 |
| Arman Esmaili , Pontifcia Universidade Catlica do Rio de Janeiro, , Brazil, Jan. 15 - Feb. 6, 2017 |
| Omid Sameie , California Riverside, Riverside, USA, Jan. 11, 2017 |
| Maryam Saberi , Chalmers University, Göteborg, Sweden, Jan. 7, 2017 |
| Hadi Rahmani , Aix Marseille Universite, Paris, France, Jan. 1-3, 2017 |
| Celine Peroux , Aix Marseille Universite, Paris, France, Jan. 1-3, 2017 |
| Leyla Shahkarami , Shahid Beheshti Univerity, Tehran, Iran, Dec. 21, 2016 - March 20, 2017 |
| Ghadir Jafari , Ferdowsi Mashhad University, Mashhad, Iran, Dec. 21, 2016 - March 20, 2017 |
| Michal Piotr Heller , Perimeter Institute for Theoretical Physics, Krakow, Poland, Dec. 21, 2016 - Jan. 19, 2017 |
| Mahdi Mashkoori , Uppsala University, Uppsala, Sweden, Dec. 18, 2016 - Jan. 18, 2017 |
| Majid Dehghani , University of Yazd, Yazd, Iran, Oct. 22, 2016 - March 20, 2017 |
| Payam Pakarha , Universitat Zurich, Zurich, Switzerland, Sep. 6, 2016 - Jan. 31, 2017 |
| Sima Baghbanzadeh , Sharif University of Technology, Tehran, Iran, July 22, 2016 - March 20, 2017 |
| Amir Sabzalipour , University of Uppsala, Uppsala, Sweden, April 20, 2016 - Jan. 19, 2017 |
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