| article html file updated | 18 August 2026 21:22 CEST | Update | https://www.mdpi.com/2077-1312/9/2/159 |
| article html file updated | 1 September 2025 20:50 CEST | Update | N/A |
| article html file updated | 24 July 2022 16:28 CEST | Update | N/A |
| article html file updated | 22 February 2021 09:26 CET | Update | N/A |
| article pdf uploaded. | 22 February 2021 09:24 CET | Updated version of record | https://www.mdpi.com/2077-1312/9/2/159/pdf |
| article xml uploaded. | 22 February 2021 09:24 CET | Update | https://www.mdpi.com/2077-1312/9/2/159/xml |
| article xml file uploaded | 22 February 2021 09:24 CET | Update | N/A |
| article html file updated | 7 February 2021 10:09 CET | Original file | N/A |
| article pdf uploaded. | 7 February 2021 10:08 CET | Updated version of record | https://www.mdpi.com/2077-1312/9/2/159/pdf-vor |
| article xml uploaded. | 7 February 2021 10:08 CET | Update | N/A |
| article xml file uploaded | 7 February 2021 10:08 CET | Original file | N/A |
| article pdf uploaded. | 5 February 2021 14:48 CET | Updated version of record | https://www.mdpi.com/2077-1312/9/2/159/pdf-vor |
| article pdf uploaded. | 5 February 2021 12:56 CET | Version of Record | https://www.mdpi.com/2077-1312/9/2/159/pdf-vor |
