We would like to thank David Angeles as he brought it to our attention that the variance equation (3) we provided in the original article was erroneous.
The equation in the published article read:
It should have read:
We apologize for any confusion that may have occurred.
The article has been corrected accordingly.
- Received: December 23, 2016
- Accepted: December 23, 2016
- Version of Record published: December 30, 2016 (version 1)
© 2016, Rangaraju et al
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