| article html file updated | 1 September 2025 04:53 CEST | Update | https://www.mdpi.com/2223-7747/9/8/993 |
| article html file updated | 22 July 2022 02:28 CEST | Update | N/A |
| article html file updated | 5 August 2020 06:31 CEST | Update | N/A |
| article html file updated | 5 August 2020 06:31 CEST | Original file | N/A |
| article pdf uploaded. | 5 August 2020 06:30 CEST | Updated version of record | https://www.mdpi.com/2223-7747/9/8/993/pdf |
| article xml uploaded. | 5 August 2020 06:30 CEST | Update | https://www.mdpi.com/2223-7747/9/8/993/xml |
| article xml file uploaded | 5 August 2020 06:30 CEST | Update | N/A |
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