abstract
- © 2016, Società Italiana di Fisica and Springer-Verlag.After publication, the authors realized that the acknowledgements were missing, which should read as follows. This research has made use of data, software and/or web tools obtained from the LIGO Open Science Center (https://losc.ligo.org), a service of LIGO Laboratory and the LIGO Scientific Collaboration. LIGO is funded by the U.S. National Science Foundation. The authors would like to thank the support of the CONACyT grant No. 271904 and the CONACyT-AEM grants No. 248411 and 262847. CM wants to thank PROSNI-UDG 2016..