| article html file updated | 11 February 2020 07:06 CET | Update | https://www.mdpi.com/2075-4701/9/1/51 |
| article html file updated | 12 October 2019 23:15 CEST | Update | N/A |
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| article html file updated | 30 January 2019 04:18 CET | Update | N/A |
| article html file updated | 7 January 2019 10:22 CET | Original file | N/A |
| article pdf uploaded. | 7 January 2019 10:20 CET | Version of Record | https://www.mdpi.com/2075-4701/9/1/51/pdf |
| article xml uploaded. | 7 January 2019 10:20 CET | Update | https://www.mdpi.com/2075-4701/9/1/51/xml |
| article xml file uploaded | 7 January 2019 10:20 CET | Original file | N/A |