Updates are available Correction dated 2018-03-16

Article History

Received: 9 January 2018

Accepted: 5 February 2018

First Online: 19 February 2018

Change Date: 16 March 2018

Change Type: Correction

Change Details: A Correction to this paper has been published:

Change Details: https://doi.org/10.1007/s11831-018-9264-5

Compliance with Ethical Standards

:

: The authors declare that they have no conflict of interest.