| article html file updated | 25 December 2025 01:03 CET | Update | https://www.mdpi.com/2077-1444/12/1/15 |
| article html file updated | 1 September 2025 17:02 CEST | Update | - |
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| article html file updated | 29 December 2020 03:18 CET | Update | - |
| article pdf uploaded. | 29 December 2020 03:16 CET | Updated version of record | https://www.mdpi.com/2077-1444/12/1/15/pdf |
| article xml uploaded. | 29 December 2020 03:16 CET | Update | https://www.mdpi.com/2077-1444/12/1/15/xml |
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| article html file updated | 25 December 2020 14:48 CET | Original file | - |
| article pdf uploaded. | 25 December 2020 14:47 CET | Version of Record | https://www.mdpi.com/2077-1444/12/1/15/pdf-vor |
| article xml uploaded. | 25 December 2020 14:47 CET | Update | - |
| article xml file uploaded | 25 December 2020 14:47 CET | Original file | - |
