1. Sternberg Astronomical Institute, Lomonosov Moscow State University, Universitetsky pr., 13, Moscow, 119234, Russia
2. New York University Abu Dhabi, Saadiyat Island, PO Box 129188, Abu Dhabi, UAE
3. South African Astronomical Observatory, PO Box 9, 7935 Observatory, Cape Town, South Africa
4. Southern African Large Telescope Foundation, PO Box 9, 7935 Observatory, Cape Town, South Africa
5. Isaac Newton Institute, Chile, Moscow Branch, Russia