Pavel V. Nikulshin, Alexander Yu. Makarov, Igor P. Koskin, Christina S. Becker, Maxim S. Kazantsev, Jens Beckmann, Yaser Balmohammadi, Simon Grabowsky, Stefan Mebs, Olga V. Naumova, Dmitry Yu. Protasov, Kirill A. Svit, Irina G. Irtegova, Ekaterina A. Radiush, Irina Yu. Bagryanskaya, Leonid A. Shundrin and Andrey V. Zibarev