| article html file updated | 1 September 2025 08:28 CEST | Update | https://www.mdpi.com/1999-4907/11/9/991 |
| article html file updated | 22 July 2022 07:12 CEST | Update | N/A |
| article html file updated | 7 October 2020 14:01 CEST | Update | N/A |
| article html file updated | 16 September 2020 09:34 CEST | Original file | N/A |
| article pdf uploaded. | 16 September 2020 09:33 CEST | Updated version of record | https://www.mdpi.com/1999-4907/11/9/991/pdf |
| article xml uploaded. | 16 September 2020 09:33 CEST | Update | https://www.mdpi.com/1999-4907/11/9/991/xml |
| article xml file uploaded | 16 September 2020 09:33 CEST | Original file | N/A |
| article pdf uploaded. | 15 September 2020 10:29 CEST | Updated version of record | https://www.mdpi.com/1999-4907/11/9/991/pdf-vor |
| article pdf uploaded. | 15 September 2020 10:29 CEST | Updated version of record | https://www.mdpi.com/1999-4907/11/9/991/pdf-vor |
| article pdf uploaded. | 15 September 2020 10:29 CEST | Version of Record | https://www.mdpi.com/1999-4907/11/9/991/pdf-vor |
