tokens: We thank Ivana Ebrová, Benedikt Diemer, and the anonymous referee for their valuable comments. SS acknowledges the support from the Ministry of Education, Science and Technological Development of the Republic of Serbia through project no. 176021 “Visible and Invisible Matter in Nearby Galaxies: Theory and Observations”. FR acknowledges support from the Knut and Alice Wallenberg Foundation. We acknowledge the usage of the HyperLeda database ( http://leda.univ-lyon1.fr ). This research has made use of “Aladin sky atlas” developed at CDS, Strasbourg Observatory, France. The Digitized Sky Surveys were produced at the Space Telescope Science Institute under US Government grant NAG W-2166. The images of these surveys are based on photographic data obtained using the Oschin Schmidt Telescope on Palomar Mountain and the UK Schmidt Telescope. The plates were processed into the present compressed digital form with the permission of these institutions. We acknowledge support provided by the European Commission through project BELISSIMA (BELgrade Initiative for Space Science, Instrumentation and Modelling in Astrophysics, call FP7-REGPOT-2010-5, contract no. 256772) in the early stage of this project.
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