| article html file updated | 9 February 2020 01:35 CET | Update | https://www.mdpi.com/2075-4701/8/1/17 |
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| article html file updated | 30 December 2017 10:23 CET | Original file | - |
| article xml uploaded. | 30 December 2017 10:21 CET | Update | https://www.mdpi.com/2075-4701/8/1/17/xml |
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| article pdf uploaded. | 30 December 2017 10:21 CET | Version of Record | https://www.mdpi.com/2075-4701/8/1/17/pdf |
