| article html file updated | 19 August 2026 06:07 CEST | Update | https://www.mdpi.com/2227-7390/9/7/777 |
| article html file updated | 2 September 2025 02:35 CEST | Update | N/A |
| article html file updated | 25 July 2022 10:32 CEST | Update | N/A |
| article html file updated | 4 August 2021 03:06 CEST | Update | N/A |
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| article html file updated | 5 April 2021 03:28 CEST | Original file | N/A |
| article pdf uploaded. | 5 April 2021 03:26 CEST | Updated version of record | https://www.mdpi.com/2227-7390/9/7/777/pdf |
| article xml uploaded. | 5 April 2021 03:26 CEST | Update | https://www.mdpi.com/2227-7390/9/7/777/xml |
| article xml file uploaded | 5 April 2021 03:26 CEST | Original file | N/A |
| article pdf uploaded. | 2 April 2021 12:11 CEST | Version of Record | https://www.mdpi.com/2227-7390/9/7/777/pdf-vor |
