| article html file updated | 18 August 2026 21:12 CEST | Update | https://www.mdpi.com/1660-3397/19/2/91 |
| article html file updated | 1 September 2025 20:45 CEST | Update | N/A |
| article html file updated | 24 July 2022 15:06 CEST | Update | N/A |
| article html file updated | 5 February 2021 02:47 CET | Update | N/A |
| article pdf uploaded. | 5 February 2021 02:45 CET | Updated version of record | https://www.mdpi.com/1660-3397/19/2/91/pdf |
| article xml uploaded. | 5 February 2021 02:45 CET | Update | https://www.mdpi.com/1660-3397/19/2/91/xml |
| article xml file uploaded | 5 February 2021 02:45 CET | Update | N/A |
| article html file updated | 4 February 2021 14:51 CET | Original file | N/A |
| article pdf uploaded. | 4 February 2021 14:49 CET | Version of Record | https://www.mdpi.com/1660-3397/19/2/91/pdf-vor |
| article xml uploaded. | 4 February 2021 14:49 CET | Update | N/A |
| article xml file uploaded | 4 February 2021 14:49 CET | Original file | N/A |
