| article html file updated | 17 August 2026 01:49 CEST | Update | https://www.mdpi.com/2227-7390/8/2/189 |
| article html file updated | 31 August 2025 10:40 CEST | Update | N/A |
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| article html file updated | 6 March 2020 07:43 CET | Update | N/A |
| article html file updated | 21 February 2020 01:15 CET | Original file | N/A |
| article pdf uploaded. | 20 February 2020 13:15 CET | Updated version of record | https://www.mdpi.com/2227-7390/8/2/189/pdf |
| article xml uploaded. | 20 February 2020 13:15 CET | Update | https://www.mdpi.com/2227-7390/8/2/189/xml |
| article xml file uploaded | 20 February 2020 13:15 CET | Update | N/A |
| article pdf uploaded. | 4 February 2020 13:24 CET | Version of Record | https://www.mdpi.com/2227-7390/8/2/189/pdf-vor |
| article xml file uploaded | 4 February 2020 13:24 CET | Original file | N/A |
