| article html file updated | 1 September 2025 17:06 CEST | Update | https://www.mdpi.com/2227-9032/9/1/21 |
| article html file updated | 23 July 2022 07:40 CEST | Update | - |
| article html file updated | 6 January 2021 12:14 CET | Update | - |
| article pdf uploaded. | 6 January 2021 12:13 CET | Updated version of record | https://www.mdpi.com/2227-9032/9/1/21/pdf |
| article xml uploaded. | 6 January 2021 12:13 CET | Update | https://www.mdpi.com/2227-9032/9/1/21/xml |
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| article html file updated | 29 December 2020 13:03 CET | Update | - |
| article pdf uploaded. | 29 December 2020 13:02 CET | Updated version of record | https://www.mdpi.com/2227-9032/9/1/21/pdf-vor |
| article xml uploaded. | 29 December 2020 13:02 CET | Update | - |
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| article html file updated | 27 December 2020 09:14 CET | Original file | - |
| article pdf uploaded. | 27 December 2020 09:13 CET | Version of Record | https://www.mdpi.com/2227-9032/9/1/21/pdf-vor |
| article xml uploaded. | 27 December 2020 09:13 CET | Update | - |
| article xml file uploaded | 27 December 2020 09:13 CET | Original file | - |
