| article html file updated | 1 September 2025 11:03 CEST | Update | https://www.mdpi.com/2199-8531/6/4/117 |
| article html file updated | 22 July 2022 21:17 CEST | Update | N/A |
| article html file updated | 16 October 2020 12:53 CEST | Update | N/A |
| article pdf uploaded. | 16 October 2020 12:51 CEST | Updated version of record | https://www.mdpi.com/2199-8531/6/4/117/pdf |
| article xml uploaded. | 16 October 2020 12:51 CEST | Update | https://www.mdpi.com/2199-8531/6/4/117/xml |
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| article html file updated | 16 October 2020 12:07 CEST | Original file | N/A |
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