Correction to: Scientific Data https://doi.org/10.1038/sdata.2016.39, published online 21 June 2016

Following publication, it was found that an affiliation of co-author Yang Hong was accidentally omitted from this Data Descriptor. This missing affiliation is given below:

School of Civil Engineering and Environmental Science, University of Oklahoma, Norman, Oklahoma 73019, USA

Accordingly, the email address of Yang Hong has changed to yanghong@ou.edu