We gratefully acknowledge financial support from the following institutions:
- European Research Council
- Polish National Science Center
- Fundation for Polish Science
- Polish Ministry of Science and Higher Education
- Chilean BASAL Centro de Astrofísica y Tecnologías Afines
- Chilean Ministry of Economy, Development and Tourism
- Chilean Millennium Institute of Astrophysics (MAS)
We thank the support staff of the following observatories for their help in obtaining the observations for generous allocation of observing time:
- ESO Paranal and La Silla observatories
- Las Campanas Observatory
- South African Astronomical Observatory
- Chilean National Time Allocation Committee
We thank the following projects for their contribution in acquiring the data:
- OGLE – Optical Gravitational Lensing Experiment
- ASAS – All Sky Automated Survay
- SuperWasp
- HAT South
- MACHO