| article html file updated | 17 August 2026 02:22 CEST | Update | https://www.mdpi.com/2227-7390/8/2/222 |
| article html file updated | 24 December 2025 17:27 CET | Update | N/A |
| article html file updated | 31 August 2025 11:10 CEST | Update | N/A |
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| article html file updated | 6 March 2020 07:38 CET | Update | N/A |
| article html file updated | 29 February 2020 13:59 CET | Original file | N/A |
| article pdf uploaded. | 29 February 2020 13:57 CET | Updated version of record | https://www.mdpi.com/2227-7390/8/2/222/pdf |
| article xml uploaded. | 29 February 2020 13:57 CET | Update | https://www.mdpi.com/2227-7390/8/2/222/xml |
| article xml file uploaded | 29 February 2020 13:57 CET | Update | N/A |
| article pdf uploaded. | 9 February 2020 10:16 CET | Version of Record | https://www.mdpi.com/2227-7390/8/2/222/pdf-vor |
| article xml file uploaded | 9 February 2020 10:16 CET | Original file | N/A |
