| article html file updated | 1 September 2025 15:18 CEST | Update | https://www.mdpi.com/2077-1312/8/12/991 |
| article html file updated | 23 July 2022 03:58 CEST | Update | - |
| article html file updated | 8 December 2020 13:35 CET | Update | - |
| article pdf uploaded. | 8 December 2020 13:33 CET | Updated version of record | https://www.mdpi.com/2077-1312/8/12/991/pdf |
| article xml uploaded. | 8 December 2020 13:33 CET | Update | https://www.mdpi.com/2077-1312/8/12/991/xml |
| article xml file uploaded | 8 December 2020 13:33 CET | Update | - |
| article html file updated | 6 December 2020 01:17 CET | Original file | - |
| article pdf uploaded. | 5 December 2020 11:58 CET | Version of Record | https://www.mdpi.com/2077-1312/8/12/991/pdf-vor |
| article xml uploaded. | 5 December 2020 11:58 CET | Update | - |
| article xml file uploaded | 5 December 2020 11:58 CET | Original file | - |
