This dataset is available upon request. Please, send us an email to the address gvis@unileon.es with the following data:
Name of the Institution you are working on.
Brief description of the project in which the dataset will be used.
Objective of the specific research you want the dataset for.
Bear in mind that the request must be done from an email account from your institution. If you are a student, the request must be done by your supervisor in the mentioned Institution.