| article html file updated | 1 September 2025 07:58 CEST | Update | https://www.mdpi.com/1999-4907/11/9/973 |
| article html file updated | 22 July 2022 06:26 CEST | Update | - |
| article html file updated | 9 October 2020 23:15 CEST | Update | - |
| article html file updated | 7 October 2020 13:56 CEST | Update | - |
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| article html file updated | 18 September 2020 13:15 CEST | Update | - |
| article pdf uploaded. | 18 September 2020 13:15 CEST | Updated version of record | https://www.mdpi.com/1999-4907/11/9/973/pdf |
| article pdf uploaded. | 18 September 2020 13:13 CEST | Updated version of record | https://www.mdpi.com/1999-4907/11/9/973/pdf-vor |
| article xml uploaded. | 18 September 2020 13:13 CEST | Update | https://www.mdpi.com/1999-4907/11/9/973/xml |
| article xml file uploaded | 18 September 2020 13:13 CEST | Update | - |
| article html file updated | 15 September 2020 11:12 CEST | Original file | - |
| article pdf uploaded. | 15 September 2020 11:10 CEST | Updated version of record | https://www.mdpi.com/1999-4907/11/9/973/pdf-vor |
| article xml uploaded. | 15 September 2020 11:10 CEST | Update | - |
| article xml file uploaded | 15 September 2020 11:10 CEST | Original file | - |
| article pdf uploaded. | 8 September 2020 15:01 CEST | Version of Record | https://www.mdpi.com/1999-4907/11/9/973/pdf-vor |
