| article html file updated | 31 August 2025 12:02 CEST | Update | https://www.mdpi.com/2227-7390/8/2/273 |
| article html file updated | 20 July 2022 20:33 CEST | Update | - |
| article html file updated | 6 March 2020 07:26 CET | Update | - |
| article html file updated | 20 February 2020 21:55 CET | Original file | - |
| article pdf uploaded. | 20 February 2020 08:10 CET | Updated version of record | https://www.mdpi.com/2227-7390/8/2/273/pdf |
| article xml uploaded. | 20 February 2020 08:10 CET | Update | https://www.mdpi.com/2227-7390/8/2/273/xml |
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| article pdf uploaded. | 18 February 2020 16:05 CET | Updated version of record | https://www.mdpi.com/2227-7390/8/2/273/pdf-vor |
| article xml file uploaded | 18 February 2020 16:05 CET | Update | - |
| article pdf uploaded. | 18 February 2020 16:05 CET | Version of Record | https://www.mdpi.com/2227-7390/8/2/273/pdf-vor |
| article xml file uploaded | 18 February 2020 16:05 CET | Original file | - |
