 | Armen Nersessian , Yerevan State University, Yerevan, Republic of Armenia,
Nov. 20-30, 2017 |
| Zahra Tabrizi , University of Sao Paulo, Sao Paulo, Brazil,
July 15-19, 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 |
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