| article html file updated | 9 February 2020 04:53 CET | Update | https://www.mdpi.com/2072-666X/9/2/53 |
| article html file updated | 30 September 2019 08:43 CEST | Update | N/A |
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| article html file updated | 30 January 2018 16:17 CET | Original file | N/A |
| article xml uploaded. | 30 January 2018 16:15 CET | Original file | https://www.mdpi.com/2072-666X/9/2/53/xml |
| article pdf uploaded. | 30 January 2018 16:15 CET | Version of Record | https://www.mdpi.com/2072-666X/9/2/53/pdf |
