| article html file updated | 1 September 2025 13:50 CEST | Update | https://www.mdpi.com/2227-7072/8/4/73 |
| article html file updated | 23 July 2022 01:39 CEST | Update | N/A |
| article html file updated | 20 November 2020 04:54 CET | Update | N/A |
| article pdf uploaded. | 20 November 2020 04:53 CET | Updated version of record | https://www.mdpi.com/2227-7072/8/4/73/pdf |
| article xml uploaded. | 20 November 2020 04:53 CET | Update | https://www.mdpi.com/2227-7072/8/4/73/xml |
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| article html file updated | 19 November 2020 07:46 CET | Original file | N/A |
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| article xml uploaded. | 19 November 2020 07:45 CET | Update | N/A |
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