| article html file updated | 31 August 2025 10:02 CEST | Update | https://www.mdpi.com/2225-1154/8/2/21 |
| article html file updated | 20 July 2022 18:34 CEST | Update | N/A |
| article html file updated | 6 March 2020 06:11 CET | Update | N/A |
| article html file updated | 28 February 2020 10:22 CET | Original file | N/A |
| article pdf uploaded. | 28 February 2020 10:20 CET | Updated version of record | https://www.mdpi.com/2225-1154/8/2/21/pdf |
| article xml uploaded. | 28 February 2020 10:20 CET | Update | https://www.mdpi.com/2225-1154/8/2/21/xml |
| article xml file uploaded | 28 February 2020 10:20 CET | Update | N/A |
| article pdf uploaded. | 27 January 2020 14:38 CET | Version of Record | https://www.mdpi.com/2225-1154/8/2/21/pdf-vor |
| article xml file uploaded | 27 January 2020 14:38 CET | Original file | N/A |
