| article html file updated | 24 December 2025 15:20 CET | Update | https://www.mdpi.com/2227-7390/7/7/601 |
| article html file updated | 30 August 2025 22:09 CEST | Update | N/A |
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| article html file updated | 9 July 2019 09:34 CEST | Original file | N/A |
| article pdf uploaded. | 9 July 2019 09:32 CEST | Updated version of record | https://www.mdpi.com/2227-7390/7/7/601/pdf |
| article xml uploaded. | 9 July 2019 09:32 CEST | Update | https://www.mdpi.com/2227-7390/7/7/601/xml |
| article xml file uploaded | 9 July 2019 09:32 CEST | Update | N/A |
| article pdf uploaded. | 6 July 2019 12:40 CEST | Version of Record | https://www.mdpi.com/2227-7390/7/7/601/pdf-vor |
| article xml file uploaded | 6 July 2019 12:40 CEST | Original file | N/A |