| article html file updated | 19 August 2026 03:34 CEST | Update | https://www.mdpi.com/2227-7390/9/6/642 |
| article html file updated | 2 September 2025 00:54 CEST | Update | N/A |
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| article html file updated | 19 March 2021 10:11 CET | Update | N/A |
| article html file updated | 19 March 2021 06:46 CET | Original file | N/A |
| article pdf uploaded. | 19 March 2021 06:45 CET | Updated version of record | https://www.mdpi.com/2227-7390/9/6/642/pdf |
| article xml uploaded. | 19 March 2021 06:45 CET | Update | https://www.mdpi.com/2227-7390/9/6/642/xml |
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| article pdf uploaded. | 17 March 2021 14:08 CET | Updated version of record | https://www.mdpi.com/2227-7390/9/6/642/pdf-vor |
| article pdf uploaded. | 17 March 2021 14:05 CET | Version of Record | https://www.mdpi.com/2227-7390/9/6/642/pdf-vor |
