| article html file updated | 1 September 2025 16:11 CEST | Update | https://www.mdpi.com/2076-0752/9/4/131 |
| article html file updated | 23 July 2022 05:26 CEST | Update | N/A |
| article html file updated | 17 December 2020 02:09 CET | Update | N/A |
| article pdf uploaded. | 17 December 2020 02:07 CET | Updated version of record | https://www.mdpi.com/2076-0752/9/4/131/pdf |
| article xml uploaded. | 17 December 2020 02:07 CET | Update | https://www.mdpi.com/2076-0752/9/4/131/xml |
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| article html file updated | 16 December 2020 13:46 CET | Original file | N/A |
| article pdf uploaded. | 16 December 2020 13:44 CET | Version of Record | https://www.mdpi.com/2076-0752/9/4/131/pdf-vor |
| article xml uploaded. | 16 December 2020 13:44 CET | Update | N/A |
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