| article html file updated | 17 August 2026 03:04 CEST | Update | https://www.mdpi.com/2227-7390/8/2/258 |
| article html file updated | 31 August 2025 11:48 CEST | Update | N/A |
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| article html file updated | 6 March 2020 07:30 CET | Update | N/A |
| article html file updated | 28 February 2020 05:52 CET | Original file | N/A |
| article pdf uploaded. | 28 February 2020 05:51 CET | Updated version of record | https://www.mdpi.com/2227-7390/8/2/258/pdf |
| article xml uploaded. | 28 February 2020 05:51 CET | Update | https://www.mdpi.com/2227-7390/8/2/258/xml |
| article xml file uploaded | 28 February 2020 05:51 CET | Update | N/A |
| article pdf uploaded. | 17 February 2020 02:21 CET | Updated version of record | https://www.mdpi.com/2227-7390/8/2/258/pdf-vor |
| article xml file uploaded | 17 February 2020 02:21 CET | Update | N/A |
| article pdf uploaded. | 16 February 2020 04:16 CET | Version of Record | https://www.mdpi.com/2227-7390/8/2/258/pdf-vor |
| article xml file uploaded | 16 February 2020 04:16 CET | Original file | N/A |
