| article html file updated | 15 August 2026 09:09 CEST | Update | https://www.mdpi.com/2227-7390/6/10/209 |
| article html file updated | 30 August 2025 07:54 CEST | Update | N/A |
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| article html file updated | 29 October 2018 05:30 CET | Update | N/A |
| article pdf uploaded. | 23 October 2018 10:47 CEST | Updated version of record | https://www.mdpi.com/2227-7390/6/10/209/pdf |
| article xml uploaded. | 23 October 2018 10:47 CEST | Update | https://www.mdpi.com/2227-7390/6/10/209/xml |
| article xml file uploaded | 23 October 2018 10:47 CEST | Update | N/A |
| article html file updated | 23 October 2018 10:47 CEST | Original file | N/A |
| article pdf uploaded. | 17 October 2018 11:58 CEST | Version of Record | https://www.mdpi.com/2227-7390/6/10/209/pdf-vor |
| article xml file uploaded | 17 October 2018 11:58 CEST | Original file | N/A |
