| article html file updated | 31 August 2025 11:41 CEST | Update | https://www.mdpi.com/1999-5903/12/2/39 |
| article html file updated | 20 July 2022 20:12 CEST | Update | N/A |
| article html file updated | 6 March 2020 13:41 CET | Update | N/A |
| article html file updated | 29 February 2020 09:27 CET | Original file | N/A |
| article pdf uploaded. | 29 February 2020 09:25 CET | Updated version of record | https://www.mdpi.com/1999-5903/12/2/39/pdf |
| article xml uploaded. | 29 February 2020 09:25 CET | Update | https://www.mdpi.com/1999-5903/12/2/39/xml |
| article xml file uploaded | 29 February 2020 09:25 CET | Update | N/A |
| article pdf uploaded. | 14 February 2020 14:10 CET | Version of Record | https://www.mdpi.com/1999-5903/12/2/39/pdf-vor |
| article xml file uploaded | 14 February 2020 14:10 CET | Original file | N/A |
