Correction to: Palgrave Communications (2016) 1, Article number: 15012. doi: 10.1057/palcomms.2015.12; Published 9 Jun 2015; Updated 27 September 2016
The correct affiliation for Prashant Goswami has been added to the manuscript:
National Institute of Science, Technology and Development Studies (NISTADS), New Delhi, India
A note has been added to the acknowledgments section indicating the author's address at the time of acceptance for publication.
The article has been corrected online.