| article html file updated | 1 September 2025 12:59 CEST | Update | https://www.mdpi.com/2227-7390/8/11/1994 |
| article html file updated | 23 July 2022 00:17 CEST | Update | - |
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| article pdf uploaded. | 20 November 2020 06:57 CET | Updated version of record | https://www.mdpi.com/2227-7390/8/11/1994/pdf |
| article xml uploaded. | 20 November 2020 06:57 CET | Update | https://www.mdpi.com/2227-7390/8/11/1994/xml |
| article xml file uploaded | 20 November 2020 06:57 CET | Update | - |
| article html file updated | 9 November 2020 04:25 CET | Update | - |
| article html file updated | 9 November 2020 04:25 CET | Original file | - |
| article pdf uploaded. | 9 November 2020 04:24 CET | Updated version of record | https://www.mdpi.com/2227-7390/8/11/1994/pdf-vor |
| article xml uploaded. | 9 November 2020 04:24 CET | Update | - |
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| article pdf uploaded. | 9 November 2020 04:21 CET | Updated version of record | https://www.mdpi.com/2227-7390/8/11/1994/pdf-vor |
| article pdf uploaded. | 8 November 2020 12:00 CET | Version of Record | https://www.mdpi.com/2227-7390/8/11/1994/pdf-vor |
