1. Lobachevsky University,Faculty of Physics,Terahertz spectrometry department IPM RAS,Department of Information Technology in Physical Research,Nizhny Novgorod,Russia
2. Children Clinical Hospital No.1,Terahertz spectrometry department IPM RAS,Nizhny Novgorod,Russia
3. Lobachevsky University,Faculty of Radiophysics,Terahertz spectrometry department IPM RAS Department of Radio Engineering,Nizhny Novgorod,Russia
4. Lobachevsky University,Faculty of Radiophysics,Terahertz spectrometry department IPM RAS,Nizhny Novgorod,Russia