1. Eratosthenes Centre of Excellence,Department of Resilient Society,Limassol,Cyprus,3012
2. The Cyprus Institute, Climate and Atmosphere Research Center (CARE-C),Nicosia,Cyprus
3. Institute for Astronomy, Astrophysics, Space Applications and Remote Sensing,National Observatory of Athens (IAASARS/NOA),Athens,Greece,GR15236
4. Physikalisch-Meteorologisches Observatorium Davos,World Radiation Center (PMOD/WRC),Davos,Switzerland,7260