| article html file updated | 19 August 2026 06:20 CEST | Update | https://www.mdpi.com/2227-9067/8/4/278 |
| article html file updated | 2 September 2025 02:44 CEST | Update | N/A |
| article html file updated | 25 July 2022 10:46 CEST | Update | N/A |
| article html file updated | 4 August 2021 07:03 CEST | Update | N/A |
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| article html file updated | 11 April 2021 06:42 CEST | Update | N/A |
| article html file updated | 11 April 2021 06:30 CEST | Update | N/A |
| article html file updated | 7 April 2021 07:46 CEST | Update | N/A |
| article pdf uploaded. | 7 April 2021 07:44 CEST | Updated version of record | https://www.mdpi.com/2227-9067/8/4/278/pdf |
| article xml uploaded. | 7 April 2021 07:44 CEST | Update | https://www.mdpi.com/2227-9067/8/4/278/xml |
| article xml file uploaded | 7 April 2021 07:44 CEST | Update | N/A |
| article html file updated | 4 April 2021 11:41 CEST | Original file | N/A |
| article pdf uploaded. | 4 April 2021 11:40 CEST | Version of Record | https://www.mdpi.com/2227-9067/8/4/278/pdf-vor |
| article xml file uploaded | 4 April 2021 11:40 CEST | Original file | N/A |
